ProSource 44U-205 Pipe Hub Donut, 4 x 2 in

Pipe hub donuts for compression sealing of sewer pipe joints and DWV connections such as sockets, bells, hubs and spigots. Not for use on pressurized plumbing systems. Meets ASTM C-1173, C-1277, C1460, CISPI 310, IAPMO PS 109, PS90 and CSA B602.