The 110mm Terracotta Back Inlet Gully Circular Lid has a 2nd inlet and is generally used in the middle of a pipe run such as a line of drainage on a patio. In these situations the gully should only be used for stormwater or rainwater and not foul drainage.The back inlet bottle gully has its own water seal to stop odours from coming out of the drainage/sewer system and by removing the grid and internal funnel acts as an accessible rodding point. The gully has two 110mm push-fit socket which can be connected to either spigots from bends or underground drainage pipes. The spigot on the hopper allows upto 32mm height adjustment.
