Check the listing for details. Water Filter Bottle|Personal Water Filter Straw|0.1μm Ultra-Filtration 4-Stage. Condition: New. Listed at 7.99 USD. Membrane Solutions Water Filter Bottle, 0.1 Micron 4 Stage Ultra-Filtered Water Bottle, Portable Outdoor Water Purifier Survival Gear for Camping Hiking Travel Emergency, Leak-Proof About this item 1.Four Stage Filtered Water Bottle - The hollow fiber filter purifies contaminants and harmful substances. The coconut shell removes chlorine and heavy metals, while pp cotton removes sand and mud.2.High Quality Material - Reusable, durable, and, BPA-free for drinking clean water. This 22 oz bottle purifies 396 gallons (1,500 liters) of dirty water before needing a filter replacement.3.For Your Camping Accessories - Use for outdoors, such as a river or stream, traveling internationally, or in an emergency situation where clean water is unavailable. The lid is designed with a built in mini compass and silicone mouth-piece for comfort. The included carabiner is used to hang the water filter bottle from your backpack, fanny pack, bag or belt loop. 4.Durable & Reusable:This water filter bottle up to 1,500L (396 Gallons) water purification, replace 3,000 single-use plastic bottles (500ml), long lifespan. Proper use and maintenance of the water filter can extend the lifespan to 6 months. 5.How to Use - Rinse the carbon filter for 60 seconds for first time use. Make sure to sip a few times to help the water pass up through the filter. A full instruction manual is included. Specifications Materials ABS Plastic silicone mouth Filter silver activated carbon + hollow fiber Filter accuracy 0.1micron Kind of water whichcan be used river water, stream water, outdoor water Color available Blue Flow rate 450ml/min Weight 210gram Bottle capacity 650ml Durability of the filter 1500L of lifetime Membrane Solutions Personal Water Filter Straw with 5000L 4-Stage,Portable Water Purifier Lightweight for Hiking Camping Survival Outdoor Backpacking Traveling Emergency Features:Unique Water Filter: A must-carry tool for hiking, camping, travel, backpacking and emergency preparedness; replacement filter of gravity filtration system to provide pure water for Family and Group Drinking Performance: Compact frame but bigger capacity, faster flow rate, filters up to 5,000 liters outdoors water of lakes, streams, rain and snow water, etc; does not require batteries and not expire like water purification tablets; very convenient to carry Versatility Uses: Comes in a powerful red coupling, ideal for connecting with soft water pouch or standard disposable water bottles to squeeze get clean water; or use silicone pipe to drink directly from any water source; innovative backwash design, no extra tools make cleaning easier Detachable Function: Membrane Solutions upgrade water straw filter both ends of it can be disassembled, use municipal water or pure. Specifications Product Name Personal Water Filter Straw Brand Membrane Solutions Purification Capacity 5,000L Filter Stage 4-Stage Stage 1&2 coarse filter screen, pp cotton Stage 3 Activated carbon filter Stage 4 Hollow fiber ultrafiltration membranes Filtration Accuracy 0.1 Micron Leak-Proof YES Portable YES Length 6.7 inches Fit for river water, rain water, stream water, lake water, mountain spring water and cellar water. Be used for outdoor backpacking, hiking, camping, travel, hunting, fishing, scouting, emergency preparedness, etc Multi-Functional 1 Fits standard screw top bottles;Fill water bottle, attach screw top securely to the bottom of the water straw Multi-Functional 2 Use gravity, squeeze or sip water; Carry an empty water bottle and attach water straw when you are ready to drink Multi-Functional 3 Add a water filled hydration bladder, with tubing at both ends of the water straw, to stay attached, when on the go Package list 1: 1 * 22oz water filter bottle1 * backwash cleaning pump1 * extension hose1 * carabiner1 * User manualPackage list 2:1x Filter Replacement for BottlePackage list 3:3x Filter Replacement for BottlePackage list 4:1Pcs Water Filter StrawPackage list 5:3Pcs Water Filter StrawPackage list 6:6Pcs Water Filter Straw Package list 6:1xCartridge for Filter Straw