Product Description Tested and Certified by WQA according to NSF/ANSI 42 Used only high-grade coconut carbon block. Removes over 99% of the potentially harmful contaminants that may be present in your water Model: WF3CB Temperature: 1-38 Degrees Centigrade (34-100 Degrees Fahrenheit) Flow rate: 0.75 GPM (1.9LPM) Pressure: 30-125 PSI Capacity: 250 Gallons Replacement Cycle: 6 Months Modèles compatibles : AP4567491, PS3412266, 242069601, 242086201, 706465, 85075SGP001