Brand: Seifert Item: Fan hood IP Rating: IP56 Material: Carbon steel Application: For increasing the protection classification of side-mounted fans and grilles NEMA Rating: 3R/4/12 Maximum Covered Area: 8.03 x 8.03in Gasket Type: Silicone Maximum Fan Cutout Size: 6.97 x 6.97in Seifert fan hood, fits 6.97 x 6.97in fan cutout, carbon steel, silicone gasket, NEMA 3R/4/12, IP56, for increasing the protection classification of side-mounted fans and grilles.