The Avalanche CT Two-piece Concealed Trapway toilet from Gerber is a WaterSense certified high-efficiency toilet operating at 1.28 gpf. The company extends its partnership with Fluidmaster by including a Fluidmaster fill valve, 3 in. flush valve, dual siphon jet and more. Available in white, the toilet is offered as an ErgoHeight elongated toilet for comfort and accessibility. The company also offers a one-piece alternative.