Turn any tap into a sparkling oasis. This Brita filter system attaches easily to home faucets transforming unpure H2O into clean great-tasting water. Eliminates 99 of lead chlorine and more. Replacement filter easy to snap to Brita faucet mount systemReplacement easy to snap onMakes tap water taste greatYou can get clear refreshing Brita water right from your tap and it costs only 0.18 gallonEach filter lasts approximately 100 gallons or 4 months whichever comes firstThe Brita On Tap Faucet Filterhas been tested and certified in Model FF-100 by NSF International the nations leading testing authority for water filtration products forANSINSF Standard No. 53 Health Effects - Reduction ofLeadCysts Cryptosporidium and GiardiaAsbestosTurbidity0-DichlorobenzeneAlachlorAtrazineCarbofuran2 4-DChlordaneHeptachlor epoxideLindaneMethoxychlorTrichloroethylenStyreneToxapheneChlorobenzeneBenzeneEndrineCarbon TetrachlorideSimazineTolueneTetrachloroethyleneEthylbenzeneANSINSF Standand No. 42 - Aesthetic Effects - Reduction ofChlorineTaste and OdorParticulate Class IKeeps a healthy level of fluoride a water additive that promotes strong teeth applies to fluoridated municipal tap waterFilter replacement is essential for product to perform as represented. Filter lasts for 100 gallons 378 liters or 4 months whichever comes first. Filter life may vary depending on local water conditions.06/01/2010headerFilter Cartridge 30 Days