Aluminum Shutter - Motor Sold Separately (Carrier Shipping) Frame Only Ship Dimensions: 84″L x 32″W

Ship Dimensions: 84″L x 32″W x 53″H

While shade curtains or blackout poly coverings block incoming light

Enabling complete control of your growing environment with timed on/off switching

Most usable grow space

30'x60' Quonset greenhouse frames are also known as “high tunnel greenhouses

Aluminum Shutter - Motor Sold Separately (Carrier Shipping) Frame Only Ship Dimensions: 84″L x 32″WJ&D Manufacturing's Aluminum Intake Shutters are constructed with a heavy duty aluminum extrusion frame and strong welded corners, all at an affordable cost. J&D aluminum shutters are by far the best valued shutter available on the market today. Intake shutters are designed to bring fresh air into your greenhouse and may also be used for free air exhaust. This product can be combined with a motor kit to open with power. Features Available in nearly