- THE MAGAZINE
From Harold's Power-Vac Inc. come the Hornet and Hornet's Nest gas portable vacuums designed for cleaning air ducts air-conditioning coils, furnaces, chimneys, fireplaces, and more. The units feature: 25 HP Kohler gas engines, 12"-25" static@6,000 CFM, 10" intake and exhaust, 144 sq. ft. of filter bag area, 13 cu. ft. of dust storage, and 10" pneumatic tires that are adaptable to trailers or vans.