2-7/8" x 9-3/4" 6 stages Nitrate REMOVAL Cartridge, CQE-RC-04050

Contains a special nitrate-selective resin. Nitrate reduction is 90% to 95% and breakthrough is not affected by sulfate levels. The capacity is 3000 ppm of nitrates as CaCO3. To determine capacity, first calculate the ppm of nitrates as CaCO3, then divide that number into 3000 to get the gallons. This cartridge can be regenerated using sodium chloride brine. Click here for product data It also contains 2-one micron filter pads, KDF 55, KDF 85 and coconut shell GAC. Capacity : 510 grains or 8,720 ppm flow rate: .5 GPM Maximum temperature: 100°F (38°C) Minimum temperature: 40°F (5°C) Maximum pressure: 125 PSI (8.6 bar) Minimum pressure: 20 PSI (1.4 bar) Micron rating: 5 nominal Materials of Construction End Caps: Polypropylene Inner/Outer Wraps: Polyolefin Netting: Polyethylene Gaskets: Buna-N