EZ-Change Undersink Drinking Water Filter System - Convenient and easy to use, the Culligan RV-EZ-3 produces cleaner, better-tasting drinking and cooking water while you are on the move. It is designed specifically to be used for RV or Marine applications and is a Level 3 Advanced Filtration system. The system reduces bad taste and odor, aesthetic chlorine taste and odor, sediment, lead, cysts such as giardia and cryptosporidium, turbidity, atrazine, lindane and Class I particulates. Kit includes: 1 - filter head with built-in bracket, RC-EZ-3 Level 3 Advanced Filtration replacement cartridge, bypass fitting (for winterization), mounting screws, supply adapter, lead-free faucet with built-in electronic cartridge life indicator, 1/4 inch plastic tubing and a cartridge change reminder sticker. The cartridge lasts up to 6 months or 500 Gallons depending on the quality of water being filtered. Pressure Range: 30 PSI to 100 PSI. Temperature Range: 40 degrees to 100 degrees F (4.4 degrees to 37.7 degrees C). Rated Service Flow: 0.5 gpm (1.9 Lpm). 1 kit per package.