The Z1171-RD Low Profile Grease Interceptor with Rigid Pipe Draw off, Accumulating Cone, and In Line Shutoff Valve is an acid resistant coated interior and exterior fabricated steel grease interceptor, PDI Rated, with internal air relief by-pass. This interceptor also comes standard with bronze cleanout plug, removable pressure equalizing/flow diffusing inlet baffle, and sediment tray. Gasketed non-skid secured cover complete with grease accumulating cone, rigid piping, grease draw-off valve, an inline closure valve, and Z1108 flow control fitting. Regularly furnished with 3" (inch) low inlet and outlet.