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making it ideal for drainage installations in both residential and commercial buildings
incorporating a closed boss for future branch connections or rodding access
Unequal double branch
Secure and safe installation
The Polypipe ST404B is a 110mm equal single branch with a 135° angle
110mm Osma Short Boss E D/SW - Wavin (Grey) – 4CS588SE trade deals making it ideal for drainage4CS588SE Wavin Osma 110mm Short Boss E D SW (Grey) A compact straight bossed access pipe offering downward solvent weld connections on both ends. Designed to insert into existing boss sockets on 110 mm soil or waste stacks, it provides a sealed branch point via an 80 mm access opening for inspection or rodding. Perfect for vertical inline access solutions. Dual downward solvent weld ends fit into standard 110 mm boss sockets. Built in 80 mm access