Vortens announced that five of its high-efficiency toilets completed certification testing through IAPMO Research and Testing Inc., an independent testing facility, and now qualify for WaterSense water efficiency designation from the U.S. EPA. The five toilets are the Tornado ADA (Pressure-Assist Elongated with 1.0 gpf/4.0 lpf) (pictured); Tornado (Pressure-Assist Elongated with 1.0 gpf/4.0 lpf); Delfos (One-Piece Dual-Flush Elongated with 1.6 gpf/6.0 lpf and 1.1 gpf/4.0 lpf); Rhodas DF (Dual-Flush Elongated with 1.6 gpf/6.0 lpf and 1.1 gpf/4.0 lpf); and Dali (Dual-Flush Elongated with 1.6 gpf/6.0 lpf and 1.1 gpf/4.0 lpf).