{"product_id":"helios-rohrventilator-silentbox-1-ph-sb-250-c","title":"Helios Duct Fan SilentBox, 1 PH SB 250 C","description":"Radial duct fan with sound-insulated casing. Casing made of galvanized steel sheet with round connection spigots compatible with standard ducts. Sound-absorbing perforated sheet metal inner lining, backed with 50mm thick mineral fiber board. Removable cover. Fan chamber and casing spiral freely accessible. Motor and impeller can be pulled out. High-performance drum impeller with forward-curved blades made of galvanized steel sheet. Vibration-free operation due to dynamic balancing according to quality grade G 6.3 VDI 2060 and DIN ISO 1940. Single-phase AC external rotor motor, enclosed design, maintenance-free, speed controllable by voltage reduction, built-in thermal contacts, sealed, low-noise ball bearings with long-term lubrication.","brand":"Helios","offers":[{"title":"1","offer_id":56543444599170,"sku":"WCW-0187954-001","price":653.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/3675\/7890\/files\/f_7_6_9_f769da40466755e46e48a056e855c85a4ac28e12_wcw_0187954_gl_image2_converted_500x500_sb_250c_jpg.jpg?v=1775788093","url":"https:\/\/bauraum24.de\/en\/products\/helios-rohrventilator-silentbox-1-ph-sb-250-c","provider":"Bauraum24","version":"1.0","type":"link"}