Check the listing for details. Water Filter Straw w/ 3L Gravity Bag Camping Water Filtration System Tree Strap. Condition: New. Listed at 9.99 USD. SimPure Gravity Water Filter, Portable Gravity-Fed Water Purifier with 3L Gravity Bag, Tree Strap, Survival Gear and Equipment for Camping Hiking Emergency Preparedness About this item Very Versatile: Besides the gravity water filter system, the included filter can be used in many different ways. Use as a personal water filter, or add a 29.5-inch extension tube for more distance drinking. Even connect onto a water bottle. Long Lifespan and Speedy Treatment Time: Our water purifier camping has a lifespan of 5,000 liters (1320gallons), for a family of four uses up to 3.5 years. With a flow rate of 27 liters per hour, it won’t slow you down when you’re trying to make miles. 0.1-micron Ultrafiltration: Our water filter camping made up of 0.1-micron hollow fiber ultrafiltration membrane, 5-micron coconut shell GAC filter, and 0.2-micron PP fiber filter,reduce heavy metal, chlorine, odors, micro-plastics, etc. Easy to Use: Just hang on a tree with the tree strap, hands-free filtration, enjoy effort-free (no pumping, no squeezing, barely any waiting) filtered water within minutes. Very Lightweight: Gravity water filter weighs just 2.8 ounces and can be completely rolled up to save space in your backpack. With 3L TPU gravity-fed bag can provide you enough reliable pure water. Ideal for backpacking, camping, or just keeping on hand for emergencies. material sepcification Hollow Fiber Polysulfone Glue Polyurethane Tube Body ABS Other Parts PE Technical Specification Hollow Fiber EFA 2000 cm2 pore size 0.1 μm Activated Carbon AC amount 2 g iodine value 1100 mg/g E.coli Removal Influent 2.06e10 CFU Effluent 99.9999995% LRV >8.31 Turbidity Removal Influent 50.6 NTU Effluent 99.80% Flow Rate Pressure 10 kPa temperature 25 ℃ flow rate >900 mL/min 4-STAGE FILTRATIONThis product has 4 levels of filtering. Using Hollow Fiber Membrane, Coconut Shell Activated Carbon, pp cotton,Coaese Pre-Filter.- pp cotton: 0.2 mircons average pore size,Interception of particles Terminal protection. - Coconut shell activated carbon:5 mircons average pore size,removes Chlorine, VOCs, harmful chemicals.Odor reduction;Taste improvement.- Hollow Fiber Membrane: 0.167 mircons average pore size,- Versatile and adaptable for camping, backpacking, trekking, and survival; hang from a tree to filter water for 1-4 people for cooking and washing up. The Multipurpose of Portable Gravity Powered Water Purifier 1.You can directly put the water inlet of the straw into the water source and suck it out to drink. If it is far away from the water source, connect the hose, put the hose into the water, and drink it.2.Fill the beverage bottle with raw water, connect it to the water filter straw, and squeeze the water bag or beverage bottle to drink it.Equipped with an expansion interface to connect with more beverage bottles to produce water.3.Use a silicone tube to connect with the water storage bag, use the pressure generated by the height difference, filter the water with a straw, convenient for many people to drink water.Equipped with a check valve for immediate use. Package list: 1.1* Water FIlter Straw2.1* Gravity Water Filter 3L Bag Set3.2* Gravity Water Filter 3L Bag Set Reviews from Customers