P33U-305 Size: 3" x 3" Features: -Bushing. -Flexible PVC donut shaped rings for the compression sealing of sewer pipe joints and DWV connections such as sockets, hubs, bells and spigots. -Offers all of the properties necessary to create a strong lasting joint. -Sewer pipe compression joint sealer. -Dimensions: 2.31" H x 4.08" W x 4.08" D.