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the white film can be removed simply by rubbing off
It is well known that seeds will often germinate much more easily when provided with temperatures 10°F-20°F above room temperature
Comes with all needed hardware and auto opening vent opener
Each diameter comes in lengths from 12" to 60" standard
This fits on the top of the Injector
Automatic Vent Opener - No Base Els PW 19115 the white film can beDescription 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
