RP19804 cartridge for 1300 & 1400 series tub / shower valves (fits select Monitor valve 2007, doesn't fit the MultiChoice Universal Valves (2007~ ). Make your shower rough-in style, and the cartridge. For use in Monitor 1300 & 1400 single-handle tub / shower kits, single-function only temperature control with pressure balance. This RP19804 shower cartridge with pressure balance design keeps the water temperature within a safe +/- 3.6F ( +/- 2C), helps to you from sudden changes in hot or cold water pressure. Easy to limit the maximum flow of hot water to prevent overheating. Manufactured with a quality, durable plastic constructions provides strength and reliability. color:Photo color Material:plastic+metal Package Contents: 5 x RP19804 Valve Cartridge Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.