Delta Vero T17T253 Tempassure 17T Series Shower Trim Set has a sleek modern appeal that can’t be missed. This shower trim operates with ease while the durable brass construction ensures years of reliable use. About Delta Faucet Pairing inspirational design with innovations that anticipate people’s needs, Delta produces kitchen faucets, bathroom faucets, and shower systems that are as beautiful as they are functional. Delta puts all of their products through a strict regimen of durability testing. Thermostatic cartridge measures and monitors the temperature of the water and automatically adjusts to maintain a more precise water temperature.