Automatic Vent Opener - No Base Netafim Micronet Center Purlin that runs the

Center Purlin that runs the length of the greenhouse and connects the bows

Vermiculite OMRI [PDF]

You can daisy chain up to 4 of these units to the MTMDU unit to maximize your seed starting area

a 25lb bag

rustproof polyethylene

Automatic Vent Opener - No Base Netafim Micronet Center Purlin that runs theDescription 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