Fits in doors of most refrigerators for convenience. Uses an easy-to-install bacteriostatic filter that provides 40-gallon/2-month life depending on usage and water quality. 2-stage filtration inhibits bacterial growth in filter media and provides clean,fresh drinking water by reducing lead, chlorine taste and odor, copper, mercury, zinc, sediment, bad taste and odor. Date reminder on lid helps keeping up with filter changes. Includes clear pitcher, clear filter reservoir, No.P1-R 40-gallon filter, whitelid with blue filter replacement indicator, use and care manual.