Westbrass D6033-40 Thick Wax Ring Gasket for Toilet Bowel, includes Flange and Closet Bolts Urethane wax ring toilet bowl gasket With universal 3 in. and 4 in. rubber boot Brass oval head closet bolts included Ensures a water-tight, odor-tight and gas-tight seal to prevent bacterial growth Urethane wax material Fits 3 in. and 4 in. rubber boots Closet   bolts included for more convenient installation