Easy to clean, motors maintenance-free and adjustable from 0-100%. The fans are made of galvanized sheet steel and provided with inside 50 mm sound and fire insulation made of mineral wool with a washable surface. You can find accessories in our shop. Klima- und Heizanlage für das gesamte Haus. This item is in the category "Business, Office & Industrial\HVAC & Refrigeration\HVAC & Refrigeration: Parts & Accessories\HVAC & Refrigeration: Fans & Blowers".The seller is "lth-hanse" and is located in this country: DE. This item can be shipped worldwide.