Fits most residential RO/DI systems (Standard 10 Inch Canisters) The AquaFX 2 Micron High Capacity Solid Carbon Block removes Chlorine and other Volatile Organic Compounds effectively up to 12,000 Gallons at 2 PPM Cl2. If you are using this filter in a RO or RO/DI remember the concentrate (waste) stream counts in the total gallons through the filter. Features & Specifications - 4X longer life than standard carbon block - Reduces and removes taste odor - Max. Water Temperature - 140F - Max Water Pressure 120PSI - Manufactures to FDA Standards