Peerless PTT188753-BN Classic Tub and Shower Trim, Brushed Nickel (Valve sold separately) For use with Peerless valve (must order separately) Purchase PTR188700 Peerless rough valve separately Pressure balance valve keeps water temperature within +/-3 F Only works with PTR188700 valve (Sold separately); Single function operation Single lever handle for ease of temperature control Brass