AIR FILTER VENTILATION SYSTEM; FRAME TYPE: CARDBOARD OR WOOD; FILTERING ELEMENT: SYNTHETIC FIBER PLATE, METAL RIBS, PERFORATED TIN SUPPORT; WIDTH: 400MM; HEIGHT: 400MM; THICKNESS: 50MM; TOT ENTIRELY DISPOSABLE
AIR FILTER VENTILATION SYSTEM; FRAME TYPE: METAL; FILTERING ELEMENT: METAL; WIDTH: 500 MM; HEIGHT: 620 MM; THICKNESS: 48 MM DIMENSIONS FOR POLIFILTRO BRAND 495X620X48 MM