Comes with two F-201R 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. NSF Standard 42. 6-12 month expected filter life, depending on water quality and use. Carbon-based filters like the F-201R or F-501R must be changed within 12 months. Filter Capacity: 500 gallons. Temperature Range: Incoming cold water can be from 33°F to 100°F (1°C to 38°C). For cold water supply line use only.  Pressure: 30-125psi. Flow Rate: 0.75gpm . Shipping Weight: Approximately 2.5 lbs.