Inquiry (采购产品): fan/s We are in need of a fan that would move air through four (4) 6" plastic pipes that are 400 feet long and buried 6 feet in the ground. This air would go into a building 80 ft. long and 30 ft. wide with 10 ft. sidewalls. It also has 3 in. of insulation in the ceiling and side walls. Ideally the temperature inside the building would be maintained between 45 degrees in winter to 80 degrees in summer. Would you be able to provide us with information on the type of fan/fans that would be able to do this task. Thank you for any information you can provide. **** Hidden Message ***** John Epperson 21879 State Highway Z Lewistown, MO 63452 USA Company: Epperson's Rabbitry Phone: 573-288-3971 E-mail: judyepper@direcway.com **** Hidden Message ***** judyepper@direcway.com