Fernco Hub Donut

Fernco P22U-205 2″ Hub Donut 2U0-522

Sewer pipe compression joint sealers Fernco Donut 2″ x 2″ (Sewer Pipe Compression Joint Sealer) Part No. 22U-205 Sewer pipe compression joint sealers. Fernco Donuts are flexible PVC donut-shaped rings for the compression sealing of sewer pipe joints and DWV connections such as sockets, hubs, bells and spigots. They offer all of the properties necessary to create a strong, lasting joint.