Easy-Change under-sink drinking water system. Level 4 - premium filtration. Reduces: Bad taste and odor, chlorine taste and odor, sediment, lead, cysts such a cryptosporidium and giardia, mercury, turbidity. Particluate Class I, VOC, MTBE, chloramines. Features twist-On/twist-Off mechanism. Quick connect fittings and double water shutoff. 2 year limited warranty. NSF certified. 500 gallon filter life. Includes: Filter head with built-in bracket, Level 4 replacement filter cartridge, mounting screws, supply adapter, lead-free faucet with built-in electronic cartridge life indicator, 1/4" plastic tubing, and filter change reminder sticker. Filter dimensions: 14" H x 3.5" W x 4" D.