PBR 40 Bath & Shower Faucet Cartridge
85001 is PB valve
85006 is PB valve with diverter
The PBR-40 is a common cartridge found in many La Torre, Cascade and Nobili showers.
Also fits CHG: 46-0069
OEM Part# 40069
American Standard 46-0069
This Kerox cartridge is very popular in La Torre Shower Valves as well as Technobili - Nobili Cartridges as a direct factory replacement.