Gerber’s Maxwell two-piece, dual-flush gravity toilet with 1.1/1.6 gal. per flush is WaterSense-certified. It has an elongated rim, 12” rough-in and a double nut, multipoint tank-to-bowl mounting system for easy installation and tank stability. It features a chemical-resistant silicone flapper, noncorrosive solid brass tank-to-bowl bolts and a nonkinking stainless-steel beaded chain. The large water surface and dual-fed siphon jet help keep the bowl clean. Gerber offers a limited lifetime guaranty on the Maxwell dual-flush toilet.