No Pumping Required Water Container With Built In Filter. Ideal For Groups, Camps And Cabins. Does Not Help With Taste & Odor And Will Not Absorb Any Chemicals Like Chlorine. Exclusive Silver Impregnated Ceramic Elements (3) Last Up To 39,000 Gal. Before Replacement Is Needed. Microfiltration Method: Field Cleanable 0.2 Micron Ceramic Depth Filter. Output: Approx. 1 Gal./Hour. Weight: 7.3 Lbs. Height: 18". Includes: 3 Cleanable Filter Elements, Measuring Gauge And Cleaning Pad.