This new K-TS8981-4 trim replaces the existing K-T8981-4 trim the new trim is identical and includes trim adapter kits for both Rite-Temp K-304K-2971 HiFlow and the new K-8304 series valve. Pressure-balancing diaphragm technology maintains outlet temperature within -3 degrees Fahrenheit during water pressure fluctuations. Provides temperature regulation and automatic anti-scald protection. Single handle controls both onoff activation and temperature setting. Includes faceplate with ADA-compliant metal lever handle. Coordinates with Toobi faucets and accessories.