Set it and forget it with the reliable Viper® 1.0 gpf (3.8 Lpf) Toilet. This compact elongated, tall, narrow designed Viper® tank optimizes flush speed, and quickly refills using a trusted, industry best, Fluidmaster® 400A Fill Valve. Powerful front rim jets maintain a clean and sanitary bowl with every flush. An exclusive multi-point mounting system and non-corrosive brass tank-to-bowl bolts ensure long lasting stability and ease of installation, making Viper® the professional's choice. Gerber GWS20528 Features: Gerber GWS20528 Technologies and Benefits: Gerber GWS20528 Specifications: