All metal construction 3 Way diverter (1,2, or 3 position) Non-Shared functionality 4 Port diverter Ceramic disc cartridge 16 Series trim sold separately Pforever warranty® Pfister products are designed and manufactured in compliance with the following standards and codes : IAPMO certified to ASME A112.18.1/CSA B125.1 ADA compliant – ANSI A117.1 (lever handles only).