The centrifugal fans we sell offer various blade configurations such as airfoil, backward inclined, backward curved, radial and radial tip design. Built to industrial quality levels these fans are reliable and useful in all types of environments. They are offered in both direct and belt drive. Fan Components for OEM requirements Square Airfoil Fans for industrial air handling Backward Inclinded Fans for contaminated air and fumes Pressure Blowers for combustion air and pneumatic conveying Cast Aluminum Pressure Blowers for industrial processing Air Systems Engineering Inc. 231 Greenwood Ave, Suite A Midland Park, NJ 07432 Phone: 201-251-6466 - Fax 201-251-6477 Email: airsystemsales@airseng.com