Worldwide Sourcing 44U-305 Flexible Donut, 4" x 3"
- Size: 4" x 3"
- 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, & CSA B602