Waterpur Replacement Globe - 10"Product Description: Waterpur threaded replacement housing with O ring. Features Max Working Pressure: 125 PSI Max Working Temperature: 125 Degrees Farenheit Do Not Allow This Unit To Freeze Replacement Cartridge Model Number CCI 10 Ca Rated for 10,000 gallons chlorine reduction for one year Initial pressure drop of only 2. 6 psi where others have pressure drop of 10 psi or more 10 H Opaque