MIFAB® BIG-L Series HDPE rotational molded lint interceptor. Unit shall include: dual strainer baffles with 1/4" perforations, deep seal trap covered by lid, adjustable lid system, sample port access and 4″ no hub inlet and outlet connections. Steel encased composite lid provides a water / gas tight seal and has a minimum of 20,000 lbs. load capacity. The lid is designed in accordance with the loading requirements of AASHTO H20.