water filter system with 2000 Liters filtration capacity for outdoor sports camping emergency survival tool|filter gasoline|filter source system 1 oil filter. Key Features: 1. FILTER MORE: Filters up to 2000 liters of natural freshwater without using any chemicals. 2000L clean and drinkable water in a backpack on the go. 2. VERSATILE DESIGN: Easily set up a DIY filtration system with soda bottles like Coca-Cola bottles, plastic bags, collapsible bottle,s or bucket. Or drink directly from a water source like a straw. 3. BACKFLUSHING WITH EASE: Threads on filter both sides. A handy 28mm thread bottle can be screwed on the water filter outlet for backwashing. 4. Reliable filtering result: 0.1-micron membrane ensures 99.999999% removal rate of bacteria. 5. Superior material: Impact resistance and ultra-light L630 fits in the palm of your hand. Lifespan can be extended by backwash. Good choice for camping, hiking, fishing, scouting, travel, military, survival use, or emergence supplies. Specification: Filtration Capacity: 2000 Liters; Water Flow: 0.6L/min; Filtration Pore Size: 0.1 Micron; Size: 40*136mm; NW: 40 g; Material: ABS, UF(medical grade), Silicone; Usable Range: remote village,flood,disaster; Emergency survival: outdoor sport,camping,hiking,fishing; Accessories included: 1) personal water filter L630 with tip cap; 2) Bucket or plastic bag connector; 3) Hose clip; 4) Silicone hose;