Product Description:
Olny Fit For Monitor 17 AND 18 Series Showers ( 2007 - present )（NOT for single-function Monitor 13/14 series faucet）
Monitor dual-function pressure balance cartridge
Dual-function volume and pressure balance temperature control
including the RP46463 Cartridge,Valve Seat,and Spring Adapter
Before Ordering: check the shower faucet and valve cartridge comparison photos to ensure the correct part number