Previous slideNext slideFlushometers/Sloan®SLOAN 1508 variationsSloan® Concealed Manual Water Closet FlushometerFlush Volume (gpf)1.281.63.5Wall BoxStandard size (Configured for WB-1-A wall box: not included- order separately) View all filtersFind partsWhere to buyAdd to DesignSpecSpecificationsFeaturesHigh chloramine resistant PERMEX®synthetic rubber diaphragm with Linear Filtered Bypass and Vortex Cleansing ActionValve 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 1037DownloadsVideos