This fits your .
This replacement shower cartridge is constructed of brass and it fits Mixet shower valves that use 4-1/2 inch long cartridges. This replacement cartridge can be used in both hot and cold shower valves.
Prime-Line MP58045 Replacement Shower Cartridge for Mixet 4-1/2 in. Length Brass fits Hot/Cold Pack of 1 - B07FDR54P6