Allegro Industries manufacturers a complete line of blowers, with more than 25 different models available: AC and DC axial, COM-PAX-IAL, Air Bags Blowers, explosion-proof, centrifugal, Venturi, Heaters and three-speed carpet blowers. Many include heavy-duty fan blades, are safety-orange or yellow, and are constructedproductsfrom welded, rivet-free rugged steel or corrosion, UV and chemical resistant polyethylene (plastic). Allegro Industries, www.allegrosafety.com, (800) 622-3530. Booth 1813. Circle 315