Best 11 Uv Water Filters Backpacking

24 Sep 2019

Source Tactical Gear 3L Widepac Low Profile Hydration Reservoir

Source Tactical Gear 3L Widepac Low Profile Hydration Reservoir
Source Tactical Gear 3L Widepac Low Profile Hydration Reservoir

Source Tactical Gear 3L Widepac Low Profile Hydration Reservoir. The drinking tube's Cool Weave cover blocks UV light and insulates, keeping your water cool and inhibiting bacteria growth. The 90-degree design allows the tube to be shorter, minimizing excess tubing around your chest and creating an ideal drinking angle. WLPS 3 L Widepac Low Profile Hydration System Specially designed for ballistic vest integration, the low-profile, Widepac Low Profile (WLPS) bladder from Source Tactical reduces the depth of the reservoir, making it easier to insert when it's full and leaving more space for cargo in your pack. Water stays cool and Inhibits bacteria growth from first to last sip. And the bladder retains a pure liquid taste with no plastic flavor. Features Hi-Flow Storm-Valve No-bite push-pull valve with integrated shut-off mechanism. Source has been a groundbreaker in hydration system technology and is also well known for its tactical gear and hiking sandals. Tested in the most extreme conditions, hundreds of thousands of Source hydration systems are in use in the field. Utilizing an FDA-approved and anti-microbial agent, Grunge Guard Technology inhibits bacteria growth on the reservoir and drinking tube surfaces for the life of the system. Source's Glass-Like Film is smoother than standard TPU films with virtually no difference from glass itself, preventing bio-film build up and making the system virtually self-cleaning. Less excess tube bouncing around the chest! Easy disassembly for cleaning. The WLPS comes with comes with the high-flow Storm valve, a push-pull system that's like drinking from a straw. QMT Additional In line QMT Quick Connector at the tube extremity, allows connection of filter, UTATM or other accessories with the push of a Weave Cover Tube Insulates and blocks UV-light. The QMT valve tip offers the convenience of disconnecting the valve so the tube can be easily woven through tight opening. Like drinking with a straw. It also comes with a Dirt-Shield protective cover that protects the valve from valve from dirt, sand, dust, mud, and other pollution. Dirt-Shield Protective Cover keeps the drinking valve free of dirt and protected. Angled Valve Turned 360 degrees for perfect valve / mouth orientation. Omega Pacific Carabiner Oval, Non Locking, Black, USA Made, ISO Cold Forged Aircraft Aluminum Alloy for Climbing, Safety, Rescue, Industrial, and Arborist Uses. Source Tactical WXP 3-Liter Hydration Reservoir Leakproof Antimicrobial System with Storm Valve. Source Tactical Gear QMT Replacement Tube. Source Tactical Universal Tube Adapter for Refilling your Hydration System on the Move (Olive). Source Tactical Kangaroo 1-Liter Collapsible Canteen Hydration System with Pouch. USMC Military Seal Line MAC Sack Waterproof Dry Bag. Jogalite Cross Training Reflective Leg bands (pair)-White. ITW Web Dominators 4 Pack Black. Source Tactical Storm Non-Bite Hydration Valve Kit. Source Tactical Helix High-Flow Bite Valve. Allows tube to be 25 cm shorter.

Jiecikou Collapsible Water Container Portable Water Carrier Bag Water Outdoor Storage RV Camping Hiking Climbing Picnic BBQ Outdoors Emergencies

Jiecikou Collapsible Water Container Portable Water Carrier Bag Water Outdoor Storage RV Camping Hiking Climbing Picnic BBQ Outdoors Emergencies
Jiecikou Collapsible Water Container Portable Water Carrier Bag Water Outdoor Storage RV Camping Hiking Climbing Picnic BBQ Outdoors Emergencies

Jiecikou Collapsible Water Container Portable Water Carrier Bag Water Outdoor Storage RV Camping Hiking Climbing Picnic BBQ Outdoors Emergencies. Made of high quality material, durable and can bear a large weight. Great accessory for outdoor camping, hiking, picnic, BBQ, etc. Features: Convenient, Large Capacity, Folding, Wide Use. Water Container Material: Plastic Features: Convenient, Large Capacity, Folding, Wide Use Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Size: 32.5 cm x 30.5 cm / 12.6", x 12", (Approx.), Large screw cap closure with handle, easy to carry.

Lifesaver Economy Family Emergency Preparedness Pack

Lifesaver Economy Family Emergency Preparedness Pack
Lifesaver Economy Family Emergency Preparedness Pack

Lifesaver Economy Family Emergency Preparedness Pack. All other components are in alternative sealed packaging. Use the Life Saver shower hose for washing clothes, food and for washing yourself. In the event of an emergency situation this Economy Family Emergency Preparedness Pack will provide you and your family with enough clean drinking water to survive the hours, days, weeks and years following an event. Emergency drinking water - aluminum foil sealed for an extended shelf life of 10 years. This pack is heat sealed in aluminum foil for an extended shelf life of 10 years. Life Saver technology filters out bacteria to a minimum of log 6 (99.9999% viruses to a minimum of log 4 (99.99% and cysts to a minimum of log 3 (99.9% AND exceeds NSF P 248 compliance standards, for virus, bacteria and protozoan cyst reduction by the US Army Public Health Center (MEDCOM) as specified by NSF. THIS PRODUCT Life Saver Jerrycan 10000 UF 10 x activated carbon filters (each filter will process 500 liters before a replacement is recommended) Life Saver shower attachment Life Saver maintenance pack (protective flush cap, o-rings, pump seal and silicone grease) Please the Life Saver Jerrycan and the activated carbon filters are foil wrapped to extend their shelf life. Mil Spec compliance to NSF P 248 Military Microbiological Water Purifiers standards. No Chemicals, UV Light, Solar or Power - Just Fill, Pump, Drink. No need for chlorine or iodine. Life Saver filters out bacteria, viruses, cysts, parasites and sediment instantly from water. This pack contains the Life Saver Jerrycan 10000 UF water filter capable of producing 10, 000 liters / 2, 651 us gallons of clean drinking water, removing viruses, bacteria, cysts and parasites instantly. The aluminum sealed acts as a barrier to prevent water Vapor from entering the pack and it performs the same protection in reverse as it retains the glycerin within the hollow fiber membranes. Filters 10, 000 liters / 2, 651 US gallons of water. The pack also activated 10 (two 5 / pk) additional carbon filters which improve the esthetics of the water by removing chlorine, taste and odor. The extended shelf life is due to the aluminum barrier foil which has a water Vapor diffusion rate that is 80 times slower than standard polyethylene.

Steripen Water Bottle Pre Filter

Steripen Water Bottle Pre Filter
Steripen Water Bottle Pre Filter

Steripen Water Bottle Pre Filter. Reversible cartridge for compact convenient storage. 40 micron durable nylon screen. Before blasting the UV, do a little pre-screen with Steri PEN's Steri PEN Pre-Filter. This 40 micron durable nylon screen is great for removing particulates from water that is bound for your bottle. Weight: 1.5 oz (43 g). Dual water seals to prevent contamination of drinking surface. PRODUCT FEATURES: Used with Nalgene and other 32 ounce wide-mouth water bottles SP-PF, steripen Steri PEN Pre-Filters, Steri PEN Pre-Filter steripens, steripen Steri PEN Filters, Steri PEN Filter steripens, steri pen Steri PEN Pre-Filters, Steri PEN Pre-Filter steripens, steri pen Steri PEN Filters, Steri PEN Filter steri pens, filtering, filters, filtration, purifiers, purification, purify, water filtering, water filters, water filtration, water purifiers, water purification, water filtering system, water filters, water filtration, water filtering systems, water filters systems, water filtration systems, water purifiers systems, water purification systems, water filtering system systems, water filters systems, water filtration systems, steripen filtering, steripen filters, steripen filtration, steripen purifiers, steripen purification, steripen purify, steripen water filtering, steripen water filters, steripen water filtration, steripen water purifiers, steripen water purification, steripen water filtering system, steripen water filters, steripen water filtration, steripen water filtering systems, steripen water filters systems, steripen water filtration systems, steripen water purifiers systems, steripen water purification systems, steripen water filtering system systems, steripen water filters systems, steripen water filtration systems. Steri Pen American Red Cross Ultralight Purifier. Steri Pen Rapid UV 4 L Water Vessel - 2 Pack. Wide Mouth Cantene. Steri Pen Aqua UV Water Purifier. Steri Pen Adventurer Opti Mini Pack. Steri Pen Ultra. Steri Pen Fits All Filter. STERI PEN Replacement Filter Cartridge. Steri Pen Classic 3 Water Purifier with Pre-Filter. Steri PEN Ultra Portable Water Purifier.

Survival Water Bags Outdoors And Camping 1 Liter Stand Up Emergency Water Bag Pack Of 3

Survival Water Bags Outdoors And Camping 1 Liter Stand Up Emergency Water Bag Pack Of 3
Survival Water Bags Outdoors And Camping 1 Liter Stand Up Emergency Water Bag Pack Of 3

Survival Water Bags Outdoors And Camping 1 Liter Stand Up Emergency Water Bag Pack Of 3. empty weight Stand-up bag helps prevent spills. (1, 065 ml) capacity. Whirl-Pak bags are ideal for survival kits, because they roll to very compact dimensions, weigh very little, and are incredibly tough. This means you're unlikely to spill precious sterilized water. They're completely sterile and food-safe, and will not leach harmful chemicals into your water or food supply. Can be frozen to any temperature. Several US Military Kits specify Whirl-Pak bags for emergency water collection, treatment, and storage. Originally designed for laboratory work, Whirl-Pak bags make great emergency water collection, purification, and storage bags, and are also great for storing food. 4.0 mil (.102 mm) thick. Should not be used at temperatures above 180 F (82 C). They are safe for use with chlorine tablets, iodine tablets, or UV purification systems. The 4.0 mil wall thickness means that this is a durable bag, extremely resistant to puncture or tearing. Leakproof closure tabs. They are sealed; you can always tell that your bag is completely sterile and has never been used, since you have to remove a perforated tab prior to use. They can even be used to make an improvised solar vegetation still. Best Glide ASE Adventurer Survival Kit Box (Gray). L. First Aid IFAK Folding Utility Survival Knife (5-Pack)- Black. Exotac candle TIN Nano Emergency Beeswax Tealight Candle, Pack of 3. Hydro Blu Sidekick 3-Stage Straw Water Filter for Camping, Backpacking, Running, Travel, and Emergency Preparedness. UST Star Flash Micro Signal Mirror with Compact, Lightweight Design, Targeting Star and Lanyard for Hiking, Camping, Backpacking and Emergency Situations. Aquatabs AQT 100 Water Purification Tablets (Pack of 100). S. Tinder Quik Firestarting Tabs 50 (for Spark Lite Fire Steel Blastmatch). Survive Outdoors Longer. ESEE ESKITTIN-BRK Aluminum Mess Survival Tin. Aquatabs 100 Pack - World's 1 Water Purification Tablets. 5", W x 15", L (12.5 x 38 cm).

SOL Water Backpacker Reservoir 2 Liter Hydration Pack Bladder Bag System Designed For Solar Water Disinfection For Backpacking Camping Bicycling Emergency Preparation And Survival Kits

SOL Water Backpacker Reservoir 2 Liter Hydration Pack Bladder Bag System Designed For Solar Water Disinfection For Backpacking Camping Bicycling Emergency Preparation And Survival Kits
SOL Water Backpacker Reservoir 2 Liter Hydration Pack Bladder Bag System Designed For Solar Water Disinfection For Backpacking Camping Bicycling Emergency Preparation And Survival Kits

SOL Water Backpacker Reservoir 2 Liter Hydration Pack Bladder Bag System Designed For Solar Water Disinfection For Backpacking Camping Bicycling Emergency Preparation And Survival Kits. Proprietary triple laminate plastic designed for strength and longevity and UV clarity. Pop-up drink spout and corner handle for easy carrying, drinking, and pouring. Small holes on the top corners provide additional rigging points for gravity filtering setups. SOL bags are a perfect addition to any survival kit, bug-out-bag, or EDC kit. The additional slide top closure device provides a strong water tight seal and a foldable carrying handle that can be used to attach to hydration compatible backpacks. For drinking water collection, storage, and solar disinfection. Quick scooping handles are built into the top of the bag for rapid collection of water. It has a pop-up drink spout and an ergonomic carry handle at the corner allows for easy carrying and pouring. This bag is safe to use with water purification tablets and liquids like chlorine and iodine. In tests, no water leakage occurred at a 10 ft water depth for 10 minutes. Treat water and make it safe for drinking using only sunlight! 100% BPA and toxin free. The Backpacker is a 2 liter reservoir designed specifically for use in hydration compatible backpacks and has the additional advantage of solar water treatment capability built in. With the top open in a gravity filtering setup this bag has a 3 liter capacity. SOL bags are designed for SOLar disinfection of water and are the most effective solar water treatment container available. The SOL logo printed on the inside of each bag works as a calibrated water cloudiness meter for effective solar water treatment. It comes with a full zip top closure for quick and easy water collection and bag cleaning. Laboratory testing has shown SOL Water bags to be over 100% more efficient at treating contaminated water than conventional solar water treatment containers. The full zip top design makes it perfect for use as a dry bag. Slide top handle closure system and additional built in handle holes allow for fully open top for easy cleaning and rapid filling. For Outdoors, Camping, Emergency Preparation, Survival Kits, and Bug Out Bags (5-pack). SOL Water SURVIVALIST Bags 1 Liter Zip Top Stand Up Water Bag Designed for Solar Water Disinfection. More About SOL Bags Verified with laboratory testing, our plastic blend is completely non-toxic, so you don't have to worry about harmful chemicals such as BPA, lead, mercury, or phthalates leaching into your drinking water. Detailed and fully illustrated solar water treatment instructions and accurate measurement lines printed on each bag.

SOL Water Variety Pack Designed For Solar Water Disinfection For Backpacking Camping Bicycling Emergency Preparation And Survival Kits

SOL Water Variety Pack Designed For Solar Water Disinfection For Backpacking Camping Bicycling Emergency Preparation And Survival Kits
SOL Water Variety Pack Designed For Solar Water Disinfection For Backpacking Camping Bicycling Emergency Preparation And Survival Kits

SOL Water Variety Pack Designed For Solar Water Disinfection For Backpacking Camping Bicycling Emergency Preparation And Survival Kits. Quick scoop handles are built into the top for easy carrying and rapid collection of water. Laboratory testing has shown the SOL Water bags to be over 100% more efficient at treating contaminated water than conventional solar water treatment containers. It comes with a full zip top closure for quick and easy water collection and bag cleaning. Treat water and make it safe for drinking using only sunlight! 100% BPA and toxin free. This variety pack contains 1 of each style of SOL water bags. The threaded spout opening is compatible with any commercially available threaded drink tube and many commercially available water filters. Proprietary triple laminate plastic designed for strength and longevity and UV clarity. It has a 1 liter capacity, is free-standing, and has a full zip top closure. The Survivalist Bag Ultralight, super small, stows completely flat, and can be folded to fit into the smallest of survival kits. The additional slide top closure device provides a strong water tight seal and a foldable carrying handle that can be used to attach to hydration compatible backpacks. The SOL logo printed on the inside of each bag works as a calibrated water cloudiness meter for effective treatment of cloudy water. Safe to use with water purification tablets and liquids such as chlorine and iodine. SOL bags are designed for SOLar disinfection of water and are the most effective solar water treatment container available. The Day Tripper Rugged bag designed specifically for daily drinking water use and solar water disinfection. It has a 1 liter capacity, pop-up drink spout, and an ergonomic carry handle at the top corner allows for easy carrying, pouring, and clipping onto gear. SOL bags are a perfect addition to any survival kit, bug-out-bag, or EDC kit. The Backpacker 2 liter reservoir designed specifically for use in hydration compatible backpacks and has the additional advantage of solar water treatment capability built in. For emergency water collection, storage, and solar disinfection. More About SOL Bags Verified with laboratory testing, our plastic blend is completely non-toxic, so you don't have to worry about harmful chemicals such as BPA, lead, mercury, or phthalates leaching into your drinking water. Detailed and fully illustrated solar water treatment instructions and accurate measurement lines printed on each bag.

Pure IQ Hydro Filtration Straw

Pure IQ Hydro Filtration Straw
Pure IQ Hydro Filtration Straw

Pure IQ Hydro Filtration Straw. Water is not just essential to life, its a comfort for many to know they have clean fresh drinking water on hand. With complete water filtration, the Pure IQ Hydro is the only choice for daily use and safety. Removes 99% of contaminants. Filter up to 1500 liters (396 gallons) of untreated water. Honestly this is something you can take anywhere, and you should. On average Millions of Americans are currently right now either Hiking, Camping, Hunting, Exercising or just out on a walkabout. And with the Pure IQ bottle you will always have that peace of mind, and every survival expert agrees that the first thing you need to have and find in a survival situation is Clean Water. Features of Use: Perfect for Outdoor traveling, hiking, camping and survival. This is what makes the Pure IQ Hydro an absolute need for every American and the very reason why Pure IQ Hydro Straw is perfect for on the go, in the car, the boat and backpacks. Personal, ultra lightweight portable filter straw. Do not forget to watch the videos! No Need for any external equipment or pills to fill and turn unhealthy water into clean, safe drinkable water Immediately. Use with rain, river water, well water, lake water, stream water, groundwater, and, yes, polluted tap water. Including - Rain, River Water, Well Water, Lake Water, Stream Water, Groundwater, and yes Polluted Tap Water. Technology with coconut shell activated carbon and advanced hollow fiber membrane. Perfect for outdoor traveling, hiking, camping and survival. Its the only choice for daily use and safety. No Need for any external equipment or pills to fill and turn Unhealthy water into clean, safe drinkable water Immediately.

Source Tactical ILPS Low Profile Hydration System Upgrade Kit W Universal Tube Adaptor

Source Tactical ILPS Low Profile Hydration System Upgrade Kit W Universal Tube Adaptor
Source Tactical ILPS Low Profile Hydration System Upgrade Kit W Universal Tube Adaptor

Source Tactical ILPS Low Profile Hydration System Upgrade Kit W Universal Tube Adaptor. Source has been a groundbreaker in hydration system technology and is also well known for its tactical gear and hiking sandals. Source's Glass-Like Film is smoother than standard TPU films with virtually no difference from glass itself, preventing bio-film build up and making the system virtually self-cleaning. And the bladder retains a pure liquid taste with no plastic flavor. The QMT valve tip offers the convenience of disconnecting the valve so the tube can be easily woven through tight opening. Tested in the most extreme conditions, hundreds of thousands of Source hydration systems are in use in the field. Specially designed for ballistic vest integration, the innovative low-profile ILPS bladder from Source Tactical allows for a liquid volume of 2 liters when inserted into a vest a maximum of 3 liters when placed inside a cargo pack. You can also plug a water bottle's threaded nozzle into the UTA and let the water flow from the bottle to the reservoir. Utilizing an FDA-approved and anti-microbial agent, Grunge Guard Technology inhibits bacteria growth on the reservoir and drinking tube surfaces for the life of the system. The UTA expands when a reservoir is full and automatically disconnects if the reservoir is accidentally overfilled. This ILPS Upgrade Kit comes with Source's Universal Tube Adapter (UTA), which enables you to connect the UTA to a water tap and fill your reservoir directly from the faucet. PIG Full Dexterity Tactical (FDT)- Delta Utility Gloves. EXCELLENT ELITE SPANKER Tactical MOLLE Hydration Pack for 3 L Hydration Water Bladder Molle Vest Accessory. Source Tactical WXP 3-Liter Hydration Reservoir Leakproof Antimicrobial System with Storm Valve. Source Tactical Gear 3 L Widepac Low Profile Hydration Reservoir. Source Tactical Gear QMT Replacement Tube. Source Tactical Helix High-Flow Bite Valve. Source Tactical Universal Tube Adapter for Refilling your Hydration System on the Move (Olive). Source Tactical Kangaroo 1-Liter Collapsible Canteen Hydration System with Pouch. USMC Military Seal Line MAC Sack Waterproof Dry Bag. One Tigris Tactical Military Hydration Tube Clips Water Tube Clip Pack of 4.

GRAYL Geopress 24 Oz Water Purifier For Global Travel Backpacking Hiking And Survival

GRAYL Geopress 24 Oz Water Purifier For Global Travel Backpacking Hiking And Survival
GRAYL Geopress 24 Oz Water Purifier For Global Travel Backpacking Hiking And Survival

GRAYL Geopress 24 Oz Water Purifier For Global Travel Backpacking Hiking And Survival. UNRIVALED EASE SPEED: Effortlessly purifies 24 oz (710 ml) of water in as quick as eight seconds. Effortlessly fill from any spigot, hotel sink, murky river, taco stand, lake, or well. As dirty water is forced through the purifier media, ion exchange permanently binds all waterborne pathogens (i. ONEPRESS GLOBAL PROTECTION: Empowers international travelers and outdoor adventurers to make the world's sketchiest water sources safe and clean to drink. REMOVES ALL PATHOGENS: Viruses, bacteria and protozoa - from any freshwater source on Earth. Drink and share safe, clean water through the Simple Vent Cap. Cartridges rated for 350 cycles (65 gallons / 250 L) and are recyclable through GRAYL's zero waste recycling program. Unrivaled in speed, ease, and versatility, its patented One Press Global Protection effectively removes all waterborne pathogens (VIRUS, BACTERIA, PROTOZOA) and filters pesticides, chemicals, heavy metals, and even microplastics. Filters pesticides, chemicals, heavy metals, and microplastics; improves taste. Weighs 15.9 oz (450 g). Requires no setup time, pumps, hoses, sucking, batteries, chemicals, or prolonged waiting. molecular magnets) and 2) powdered activated carbon. Works on virtually any contaminated freshwater source: sketchy spigot, hotel sink, jungle river, murky well, or lake. BPA-free and independently tested to meet / exceed NSF Protocol 43 53 for pathogen chemical removal, and meets EPA Guide Standard Protocol for testing microbiological water purifiers. Ultra-powdered activated carbon adsorbs pesticides, chemicals, heavy metals, flavors, and odors. 1% for the Planet Member. virus, bacteria, protozoa cysts). Ideal for global travel and outdoor adventures (hiking, camping, backpacking, fishing, hunting) and survival scenarios. The unrivaled user experience is packed with innovative features such as a Simple Vent Drink Cap which 1) vents air during purification, 2) protects against cross-contamination, 3) allows one-handed hydration through a fast-flow spout; Soft Press ergonomic pads for comfortable and easy pressing; and Topo Grip for non-slip grip in any environment. The next generation 24 oz (710 ml) GRAYL Geopress Water Purifier empowers international travelers, adventurers and survivalists to make safe, clean drinking water-from the sketchiest of water sources-anywhere on earth! Convenient and astonishingly efficient, Geopress purifies and filters 24 ounces of water in just 8 seconds (5 L / min)-nearly 2 x as fast as any other purifier. microplastics, sediment) and provide structure for two technologies: 1) positively charged ions (i. MAKES WATER TREATMENT EASY: Use your body weight on the Soft Press Comfort Pads to power purification. AWARD WINNING ONEPRESS VERSATILITY: No straw, pump or gravity bag can match. Measures 10.4", H (26.5 cm) x 3.4", D (8.6 cm).

Steripen Fits All Filter

Steripen Fits All Filter
Steripen Fits All Filter

Steripen Fits All Filter. Fits wide mouth bottles such as such as Klean Kanteen, Gatorade and Nalgene bottles. Water can be poured through the Fits All Filter or you can submerge the combined Fits All Filter and bottle of choice. Size: (3.5 in.) x 95 mm (3.7 in.) x 72 mm (2.8 in.). The Fits All Filter cup also serves as an adapter that allows the Steri PEN Journey or Classic to be used with wide-mouth water bottles in the inverted position. Uses durable 4 micron screen. Prefilter to remove particulates from water. Fits all bottle sizes. Lightweight and flexible for packing. The Steri PEN Fits All Filter is a pre filter to remove particulates from water before purifying. Fits into narrow-mouth bottles such as commercial water bottles, soft-drink bottles, canteens and SIGG bottles. Adapts for wider-mouth bottles, only the cup is necessary. It is recommended that particulates be removed prior to treating water with a Steri PEN UV purifier. The Fits All Filter's unique design offers flexibility to filter water into bottles with a wide range of mouth sizes. Steri Pen Aqua UV Water Purifier. Steri Pen Quantum UV Water Purifier. STERI PEN Replacement Filter Cartridge. Steri PEN Ultra USB Rechargeable Portable, Handheld UV Water Purifier by Steri Pen. Steri PEN Ultra Portable Water Purifier. Steri Pen Adventurer Opti Water Purifier. Steri Pen Ultra. Steri Pen Classic 3 Water Purifier with Pre-Filter. Steri Pen Water Bottle Pre-Filter. Steri Pen Adventurer Opti Mini Pack.