... 3 Easy assembling &cleaning 4.Factory price,good quality. Grease Trap for Restaurants,Hotels,Fast Food Stores1.Size:20GPM Under Ground2. ... Material:Galvanized steel.3.Anti-Skid Cover for pedestrian passageway4.Different size, good for the layout of the kitchen. Bigger units ... , confrence center and etc.6.Excellent performance, seperate the grease/oil from the water well.7.Water cleaning, oil recyclable ...