The Viper toilets are Gerber’s deepest gravity product line possessing exceptional bulk waste removal. The Viper 1.28 has a three-inch flush valve and is available in white and biscuit color options. Additionally, the Viper HET includes powerful front rim jets providing a superior flush utilizing only 1.28 gallons of water. According to the Environmental Protection Agency (EPA), using an HET unit (in place of a 1.6 gallon flush toilet) can save a minimum of 20 percent water savings
The Viper 1.28 is backed by a five-year warranty and is offered in round front, elongated or ADA Elongated bowl options.