1.Part number:RP32104 2.Fitment:Compatible with Monitor 1700 series (1998-2005) dual-function shower faucets. Note:Not compatible with Monitor single function 13/14 series faucets. 3.Notes:If your shower is after 2006, the right part should be RP46463 4.Easy installation:Simply remove the old and replace with RP32104 shower valve cartridge for a refreshing shower experience. 5.Please confirm the product model and compatible models before purchasing If existing shower is after 2006, the right replacement part should be RP46463.