Automatic Vent Opener - Base Attached

Description Specs FAQs Protect your plants from overheating! This easy-to-install greenhouse vent can be placed in the roof or end wall to provide supplemental ventilation for extremely hot conditions. Vent installs in minutes with a pre-formed spring wire and channel locking. During moderate weather, high tunnels are generally vented by rolling up the sides and opening the doors on each end. However, extremely hot and humid weather often requires additional ventilation, and the best vent position is at the roof or peak of the structure. Each vent features two methods of operation: manual and auto-temperature. The manual opener is operated with a hand pull wire, while the auto-temperature opener operates automatically and can be adjusted to open at temperatures between 60° F and 77° F. Vent is Constructed of a Rigid. Each Vent Features two methods of operation: Manual and Auto-Temperature 12" Vent - 12 1/2" x 12 1/2", total vent measures 15" x 15" x 3" 16" Vent - 16 1/2" x 16 1/2", total vent measures 19" x 19" x 3" 18" Vent - 18 1/2" x 18 1/2", total vent measures 21" x 21" x 3" 20" Vent - 20 1/2" x 20 1/2", total vent measures 23" x 23" x 3" 24" Vent - 24 1/2" x 24 1/2", total vent measures 28" x 28" x 3" 30" Vent - 30 1/2" x 30 1/2", total vent measures 33" x 33" x 3" Comes with all needed hardware and auto opening vent opener This easy to install greenhouse vent can be placed in the roof or end wall to provide supplemental ventilation for extremely hot conditions Vent installs in minutes with spring wire and channel locking Installation Instructions [PDF]