This is a Bowser/Keene Style Vacuum Filter Grid Assembly measuring 38 x 48 inches. It has an outlet (o-ringed) that is 2.5 to 3 inches OD. The assembly includes the grid, cover and gasket.
This grid is manufactured by Universal Filtration for Neptune Benson and all commercial specialty vacuum filters. The grids are precision vacuum-formed from quality, polystyrene plastic.
