Amthor International has been manufacturing the Matador Flat Vac portable restroom truck for several years, but customer feedback at the Water & Wastewater Equipment, Treatment & Transport (WWETT) Show has given Butch Amthor keen insight on design improvements. Several of those updates were on display with the Matador Flat Vac model on the 2015 WWETT Show exhibit floor.“The biggest change this year is the rounded-bottom tank with a full-length formed sump design for drainage,” says Amthor, the company’s executive vice president. “All waste material flows to the center, which virtually makes the tank self-cleaning.”The Matador Flat Vac serves as a

















