Fernco P44U-305 Donut, 4 x 3 in, SV x Hub, SCH 40 Schedule, 4.3 psi Pressure

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.