The Everpure THM 1 replacement filter fits the Everpure QC4-THM Drinking Water Filtration System with lead reduction, The THM-1 Water Filter Cartridge reduces chlorine taste and odors, The Everpure THM-1 features sanitary quick change cartridges that are easy to install and replace, The THM-1 Water Filter reduces scale that can clog appliances, Specifications:, Capacity: 700+ Gallons (2650 L), Flow Rate: , 5 GPM, Certifications: NSF 42, NSF 53, WQA Gold Seal, Temperature: 35-100 F, Working Pressure: 10-125 psi, SKU: CWD609