6 x 9 hopper inc plastic top. 110mm spigot tail. Use with universla gully and 45 degree double socket bend to make back inlet gully. Underground Drainage Systems The Polypipe range of underground drainage fittings is impressive. There is a comprehensive choice in sizes from 82mm to 315mm. There are short and long radius and adjustable Bends, Junctions, Gully’s, Reducers Raisers, Traps, Hoppers, Adaptors and Couplers
