Type Axial flow fan Electric current type Ac Mounting Ceiling fan Blade material Stainless steel Place of origin Shandong, china (mainland) Brand name Zr Model number Various Voltage 380v Power 370-1500w Air volume 22000-55800m3/h Speed 325-660rpm Certification Ce, ccc Type Hanging exhaust fan Blade material Stainless steel Electric current type Ac Blades rotational speed 660rpm Air flow 22000min Voltage 380v Certification Ce Size Large Type Cowhouse exhaust fan Cover material Stainless steel Size:1380*1380*420