Flush volumes start as low as 1.28 gpf/4.8 Lpf;Water conservation is aided by the ADA-compliant, non-hold-open handle, which prevents toilet from exceeding intended flush volume;Flush accuracy is controlled by CID technology, also enhancing water efficiency;Integrity of the product is maintained with the vandal-resistant stop cap;Durability is facilitated with high copper, low zinc brass castings for dezincification resistance;Adjustable tailpiece;Wall Box ready;PERMEX Synthetic Rubber Diaphragm with Dual Filtered Fixed Bypass;Valve body, Cover, Tailpiece and Control Stop shall be in compliance with ASTM Alloy Classification for Semi-Red Brass;Valve shall be in compliance to the applicable sections of ASSE 1037