https://contact.macroairfans.com/Barn/Fans
SponsoredReduce energy costs and improve air quality with ultra-quiet MacroAir industrial barn fans. One MacroAir barn fan can replace 50 box fans and cover 20,000 ft in quiet operation.
Energy Efficient and Safe · Inventors of HVLS Fans · Family Owned Business · Browse Industries
Types: 8 Foot Fans, 10 Foot Fans, 12 Foot & Bigger Fans