This is a Custom Corner Height Outlet, Style B, Vacuum Filter Grid Assembly measuring 38 x 48 inches. It has an outlet that is 2.687 inches OD. The outlet has a corner height position. (You will be required to specify the offset distance after the order is placed.) The assembly includes the grid, cover and gasket.
This grid is manufactured by Universal Filtration for all commercial vacuum filters. The grids are precision vacuum-formed from quality, polystyrene plastic.