Gerber’s Viper 1.0 is a two-piece HET that operates at 1.0 gpf and is Water-Sense-certified, saving 20% in water consumption over recent 1.28-gpf toilet options, Gerber states. A 2” trapway provides clog-free waste removal and a 3” flush valve allows for faster water flow and flushing power.

Gerber. www.gerberonline.com