The clean, modern lines and distinct edges of the Gerber Avian One Handle Valve-Only Trim Kit offer a contemporary yet ageless style. A simplistic linear single handle requires the lightest of touch on this ADA-compliant shower fixture. The squared corners and unique flat body integrates seamlessly into your contemporary primary or secondary bathroom home renovation or refresh. Minimalist modern design meets function. This shower system kit offers integral check valves to prevent cross-flow and comes with a cartridge to be fully compatible with the powerful Gerber Treysta valve, the latest innovation in valve technology. Select from classic Chrome, transitional Brushed Nickel, gold-like Brushed Bronze, or industrial farmhouse-inspired Black Satin.