[Applicability] This RP19804 for 1300 & 1400 series tub/shower valves (fits for select Monitor valve before 2007, doesn't fit the for MultiChoice Universal Valves (2007-present)). [Feature] This RP19804 use for Monitor 1300 & 1400 single-handle tub and shower, Only single-function pressure balance temperature control is provided to keep the water temperature within a safe range. [Safety] This RP19804 Monitor shower with pressure balance design keeps water temperature within a safe ±3.6℉(±2℃), Helps protect you from sudden changes in hot and cold water pressure. [Material] This rp19804 shower is made of plastic structure, , and easy to limit the maximum flow of hot water to prevent overheating. Save and time. Please note:There is a slight color difference or difference in kind, it does not affect the use, please do not mind, thank you! Colour:Blue Material:plastic+Metal Package Contents: 1 * shower valve 1 set * accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.