2 X 9 inch Silver impregnated and self-sterilizing water filter. Ideal for use with just about any water source including lakes, rivers, streams, ponds, rain, and tap water.
Easy to clean and no priming required
Each filter has a 3,000 gallon lifespan (6,000 gallons lifespan for a set of 2)
NSF/ANSI Std. 42 Certified
Same size as competitors filters and fits most gravity filtration systems