User & Safety Instructions 2295994 Helios Ventilatoren RSD 250/300 Silencer
Description
Casing made of galvanized sheet steel, lining with high-quality mineral wool, flow-side equipped with a fleece against abrasion. Dimensions and mounting hole circle adapted to fan standard diameter (R 20), hole pattern according to DIN 24155. Very low flow resistance.
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Description
Casing made of galvanized sheet steel, lining with high-quality mineral wool, flow-side equipped with a fleece against abrasion. Dimensions and mounting hole circle adapted to fan standard diameter (R 20), hole pattern according to DIN 24155. Very low flow resistance.