Two Replacement Filter Cartridges The F-601R reduces chlorine taste and odor, NSF® 42 listing, for clean, refreshing tasting water. NSF® Standard 53 and 42 listings Sanitary Quick-Change Filter Cartridges make cartridge replacement fast and easy, without contact with used filter material Comes with two F-601R filter cartridges Quick-Connect Push-In Fittings guarantees a quick, easy installation Valve-in-Head Design automatically shuts off water flow when filter cartridge is removed, eliminating need for separate shut-off valve Low Pressure Drop Filter design assures consistently flawless performance Reduces chlorine, taste & odor for clean, refreshing taste Reduces lead, mercury, asbestos, cysts and chemicals for cleaner, healthier water 6-12 month expected filter life, depending on water quality and use Carbon-based filters like the F-201R or F-601R must be changed within 12 months Filter Capacity: 500 gallons Temperature Range: Incoming cold water can be from 33°F to 100°F (0.6°C to 38°C). For cold water supply line use only. Pressure: 20-125psi Flow Rate: 1.0gpm Shipping Weight: Approximately 2.5 lbs.