Gerber.The WaterSense-labeled Avalanche 1.28-gpf toilet features the XP3 flushing system, which the firm says clears the bowl quickly and efficiently. The unit includes a 3-inch flush valve; a large water surface; a slim-line tank; and a color-matched, side-mounted lever. It comes in white or biscuit and is available in an ErgoHeight option. 866.538.5536. www.gerberonline.com.