Gullies are designed to discharge downpipe rainwater, surface water,and grey waste water from washing machines, sinks and dishwashers.At Drainage365 we can offer a huge selection of bottle gullies, traps, patio gullies and underground drainage hoppers. The grid section on top of the drainage fittings are all removable allowing access for rodding and hand removal of any debris. Several of our hoppers and gullies are designed to be multi-functional and they will accept surface water and both waste pipes and downpipes into the grid or solid plate sections. Traps and bottle gullies offer odour traps that are formed with water levels.This will prevent any unwanted odours surfacing from the underground drainage fitting. Our gullies, hoppers and traps are all designed to accept a 110mm pipe size.