The Sentinel Mark II Thermostatic Shower Faucet with Valve, Trim includes necessary items to create a complete shower system. Featuring our signature pressure balance valve - this combination provides anti-scald protection in the shower. Additionally, this shower valve is ideal for water-saving shower heads, as it's designed to function with flow rates pressure balance valves as low as 2.0 GPM. The included valve trim features a solid brass plate and handles to offer exceptional durability.