Dayton duct access doors provide easy access to dumping ducts and ventilation duct components. They feature two double cam latches and mounting tabs for holding the lids securely. The square frame galvanised steel construction provides a large access area and resistance to corrosion. Choose from a wide range of these duct acces doors, available in 6, 8, 10, 12 and14 inch heights on Raptor Supplies.