Previous slideNext slideFlushometers/Royal®ROYAL 841Royal® Concealed Manual Urinal FlushometerFind partsWhere to buyAdd to DesignSpecSpecificationsFeaturesPERMEX® Synthetic Rubber Diaphragm with Dual Filtered Fixed BypassValve body, Cover, Tailpiece and Control Stop shall be in compliance with ASTM Alloy Classification for Semi-Red BrassValve shall be in compliance to the applicable sections of ASSE 1037DetailsDownloadsCompliancesVideos