You are Buying a brand New And Factory Sealed Delta 17 Series Monitor Tub and Shower Cartridge. Model: RP32104.

                                                                        Product Overview
This 17 Series Monitor Tub and Shower Cartridge replacement part makes DIY repairs a quick and easy task. Replacement part can be installed without going behind the wall, thereby minimizing repair costs. Our faucets and their parts are guaranteed for a lifetime, but just in case you'd like to make some repairs on your own we've made some parts available for you to order. Just another way Delta is more than a faucet.
For use with 17 series Delta tub/showers.  Model: RP32104
Maintains a balanced pressure of hot and cold water even when a valve is turned on or off elsewhere in the system
May be replaced without going into the shower wall
Chrome's stunning gloss and innate versatility lend to its popularity across decor styles in the bath
Genuine Delta repair part. Model: RP32104.
Lifetime limited warranty covers parts and finish defects

Makes DIY repairs quick and easy
Helps to minimize repair costs without going behind the wall
Constructed of a strong plastic material.