RP46463 Cartridge Replacement for Delta Monitor 17 Series 2006-Present Shower

RP46463 Cartridge Replacement For Delta Monitor 17 Series 2006-Present Shower Faucet Valve RP46073 Seat and Spring Adapter included RP46463 cartridge has a GREY cap and is for Monitor 17 dual-function shower faucets made after 2006 NOT for single-function Monitor 13/14 series faucet The screw on the old adapter design is not necessary. It could cause leakage and affect the smoothness If your shower was made before 2006 the right part should be RP32104WHITE Cap RP46073 Seat and Spring Adapter included. Manufactured by iyax.