Ventec Ventilation Product ⇑Click for more details⇑ MAX-AIR | Big exhaust fan Develops over 86 000 CFM De-stratifies ambient air Heavy duty fibreglass housing Develops 26 500 and 65 000 CFM respectively. Easy to clean Extremely quiet and efficient Single or variable speed Very efficient low electrical consumption ⇑Click for more details⇑ CYCLONE PLUS 72 anchored post or suspended. Cools the production animals, staff and bedding. Low energy consumption May be used in wintertime on minimum setting to de-stratify and displace stagnant air pockets. Quiet operation