Speakman, For Use With Chelsea Shower Faucet Valves, Pressure Balance Valve Trim - 22FE25|SM-10000-P - Grainger
Speakman Sentinel Mark II Single Lever Handle Shower Valve Combination with Cross Handle in Polished Chrome (Valve Included) S-1496-AF - The Home Depot
Speakman CPV-PB Sentinel Mark II Pressure Balance Shower Valve - Juicy Lucy's Steakhouse
How to remove old shower valve trim and install new Speakman universal shower valve trim? : r/Plumbing