Bio Underground on-Ground Waste Cooking Oil Water Separator Grease Trap - China Bio Underground HDPE Grease Trap, Bio on-Ground Grease Trap | Made-in-China.com
Difference Between Grease Traps and Grease Interceptors - Used Restaurant Cooking Oil Recycling Company - Mahoney Environmental
Floor sink and floor drain into a underground grease interceptor in a different room. The last pic is a vent on the outlet side I almost forgot about lol : r/Plumbing