Description Plastic Sealing plate, used to convert 2″ flush valve close coupled toilets to a high tank toilet. Supplied with flush pipe adapter, 3 brass connecting bolts, sealing washer, and coated brass 1 1/2″ slip-joint nut and washer. Measures 6 3/4″ wide by 5 1/4″ deep. Corresponds to Gaylan part # SB825150. Not all Gaylan Sealing Plates were the same. PLEASE CHECK YOURS CAREFULLY AGAINST THE PHOTO AND CHECK MEASUREMENTS. Note, many new toilet bowls use a 3″ flush valve. This adapter will only work with older 2″ flush valve close coupled bowls
