"invention patent" "utility model patent" "international pct patent". It can help restaurants, cafeterias, hospitals, food processing plants, hotels, and commercial kitchens keep fog's (fats, oils, and grease) out of their plumbing system and meet the standards set by local authorities. 3. The collected oil could be recycled then go on be used to make other products such as bio-diesel. 4. The discharged water meets the standard of local sewage discharge 5. Prevent the hogwash oil backflow to the table at source. Features of automatic grease trap 1. Non-powered separation and remove technology, no electricity & chemical additive, save expense 2. Easy installation and maintenance, no need person to maintain and operate, only need to discharge oil regularly 3. Unique structure design, small volume, reliable work and small installation place required. 4. Made of stainless steel, strong and durable. Surfaces discourage bacteria build up. 5. Automatic grease traps are produced in a variety of sizes to satisfy virtually all requirements. Guarantee and after- sale service One year guarantee for whole device except of tubes 24 hours for technical support by email Calling service User manual and detailed videos/ cd Packing material: carton Packing size(mm): 650*385*305