MultiChoice® Universal valve body only - Accepts single, dual, or dual thermostatic cartridge. High flow for use with shower only models. HF rough valves feature blocked tub port - no additional plug needed when used in shower only application. Back-to-back capability, WS= With Stops. Included mounting bracket helps prevent rocking. Includes a heat resistant pressure test cap. Easily snaps into place | Delta® MultiChoice® Universal High-Flow Shower Rough - Universal Inlets / Outlets (Recertified), R10000-UNWSHF