AC Infinity AIRLIFT T20, Shutter Exhaust Fan 20" With Wifi Temperature Humidity Controller, EC-Motor Wall Mount Ventilation And Cooling For Sheds,

AC Infinity AIRLIFT S20, Shutter Exhaust Fan 20" With 10-Speed Controller, EC Motor - Wall Mount Ventilation And Cooling For Sheds, Attics, Workshops,

AC Infinity AIRLIFT 16-Inch Shutter Exhaust Fan - W/ Temperature & Humidity Controller

AC Infinity AIRLIFT 12-Inch Shutter Exhaust Fan - W/ Speed Controller