The Delta RP19804 Tub and Shower Valve Cartridge Assembly is designed for use with the Delta Monitor 1300/1400 Series tub and showers manufactured before 03-2006. This cartridge assembly includes a plastic and metal construction in an oval shape, with a 1.2 gpm flow rate. The set includes one cartridge and is suitable for use in showers and bathrooms. Made by Delta, a trusted brand in plumbing fixtures, this unassembled unit is lightweight and measures about 4 inches in height and 2 inches in width. It is a reliable replacement part for your Delta valve assembly.
eBay