Model 1920HO touchless wall mounted bottle filler shall include 100% lead-free waterways, satin stainless-steel construction, touchless sensor operated stainless steel solenoid valve controlled by a transformer and 1 gpm (3.78 L) laminar flow. It can be used as a stand-alone station or mounted above the 1001, 1011, 1107L, 1109, 1117L and 1119 series drinking fountains.