Flusso Faucets Temperature Cartridge for PBV ValvesThis pressure balance cartridge is constructed of high quality plastic with a ceramic disc. This is a mixing cartridge which means it has hot and cold inputs and mixes the water based on the position of the mixing lever. This cartridge is used on the Isenberg PBV1005A and PBV1005AS pressure balance shower valves. Specifications Collection Cartridges Item Category Spare Parts Type Pressure Balance Cartridges Warranty Limited Lifetime Warranty