Zurn Z6010AV-HET | 1.28 GPF Exposed Flush Valve with Back Spud Connection for Water ClosetsZURN Z6010AV HET Exposed and featuring a quiet diaphragm type mechanism, this flushometer valve is chrome plated with a polished exterior. It includes Zurns AquaVantage TPE, incorporating a chloramine resistant, dual seal diaphragm with a clog resistant, triple filtered by pass. ADA compliant, it offers a non hold open and no leak handle feature, while its internal seals are crafted from chloramine resistant materials. Product Features: Proprietary