Innovative ultrafiltration technology: The outdoor pump water filtration system uses a 0.01 micron hollow fiber ultrafiltration membrane, which can reduce up to 99.9999% of tiny substances. Composed of high-quality coconut activated carbon fiber, it can effectively reduce the odor of natural water and ensure healthy drinking even in the wild High-efficiency and advanced four-stage filtration system: 1. High performance medical grade hollow fiber ultrafiltration membrane 2. High quality activated carbon fiber, 3. Coconut shell activated carbon stick, 4. Medical grade PP cotton. Its portability makes it the perfect solution for emergency water shortages and can instantly turn a nearby water source into healthy drinking water. Essential for travel, backpacking, camping and emergency kits Ultra-Fast Flow and Totally Compact: Ultra-fast flow rates up to 1400 ml (58 oz) per minute; the hiking water filter pump can filter up to 793 gallons (3,000 liters) before its reusable carbon filter needs to be replaced. Tips: The service life of the replacement filter element depends on the water quality, try to use clean water to prolong the service life. One clean water pump can be used by many people at the same time. Ergonomic Design: Special rubber on the sides and bottom of the pump helps maintain a solid surface while the pump is in use and increases durability. The casing is made of food grade material. The handle diameter is upgraded to 15mm, which will never break. The clear lid can be used as a drinking glass, and the compass on top works well when traveling. Dimensions: 6.69 x 3.14 x 1.96 inches, comes with detailed instruction manual, tubing, hose clamps, advanced filtration system, carrying bag. Outdoor Life Saving Equipment: Our water filtration systems work without electricity, quickly converting rain, lake and river water into clean drinking water. It can provide delicious pure water to meet your various outdoor water needs.