SK hose-proof hood, for SK 3237 , WHD: 150 x 230 x 40 mm, Hose-proof hood Stainless steel, Stainless steel AISI304 - 1.4301 (V2A) Silicone, 150 mm, 230 mm, 40 mm, 5.91 in, 9.06 in, 1.57 in, IP 56 when fitted over fan-and-filter unit/outlet filter with filter mat, NEMA 1 | NEMA 12 | NEMA 3 | NEMA 3R, 73269098, 1 pc(s), 2.200 lbs, 4028177651579, The Rittal stainless steel fan shroud is engineered for rugged indoor and outdoor use. Its durable finish carries UL Type 3R and 4X certifications (model 3237 Type 12, 3R only) to guard against large debris, heavy rain, hose-directed water sprays, and corrosion. A blue silicone gasketrooted in Rittals Food & Beverage expertiseensures superior hygiene and simplifies washdown cleaning.