Greenhouse Aluminum Intake Shutter

Fresh Air Intake for Greenhouse or Hoop House Bring outside air into your greenhouse with this intake shutter. Aluminum shutters open with negative pressure as outdoor air is drawn in through the shutter, and hot air is exhausted through a motorized shutter fan on opposite sides of the hoop house. This shutter is designed for easy installation with spring wire and lock channel and this hardware kit. Check out this article on greenhouse ventilation to learn more. Features Passive ventilation brings in fresh outside air while releasing old air Made of rust-proof aluminum Heavy-duty welded corners for durability Easy installation Available in 12", 24", and 36" sizes Tip: For every vent you install, you need an equal number of fans.  So if you’re using 2 vents, be sure to also install 2 fans. How to Install Dimensions 12” ALUMINUM INTAKE SHUTTERS Shutter Size 12” Dim. A 1.5” Deep Dim. B 2”  Dim. C 2” Dim. D 12” Dim. E 12” Weight 2 Pounds   24” ALUMINUM INTAKE SHUTTERS Shutter Size 24” Dim. A 1.5” Dim. B 2” Dim. C 2” Dim. D 24” Dim. E 24” Weight 6 Pounds   36" ALUMINUM INTAKE SHUTTERS Shutter Size 36" Dim. A 1.5" Dim. B 2" Dim. C 2" Dim. D 36" Dim. E 36"