The FOG-ceptor 250-gallon grease and oil hydro-mechanical interceptor from Zurn features a patented laminar flow pattern to filter pollutants without scouring, leaking or corroding. The interceptor is furnished with a 4-inch schedule 40 PVC inlet and outlet piping. It also includes two 20-inch diameter H-20 rated fiberglass bolted and gasketed frames and covers, and two 3-feet high by 20-inch diameter extension collars. The flexible fiberglass system works for multiple applications, including above-ground installs, parking garages, zero lot line conditions and confined spaces. The system is third party certified to deliver over 99 percent FOG removal efficiency and includes a lifetime warranty.