AutoVent Greenhouse Automatic Vent Kit Size:14.13 in. x 14.13 in. The two tiered displays make

The two tiered displays make it easy to maximize growing space in an ergonomically friendly configuration that eliminates over-reaching

2 60/50 1 1 858 30 1/2" x 30 1/2"

The light-weight Impressable Aluminum Tags can be wired

Easy to assemble

power shutter

AutoVent Greenhouse Automatic Vent Kit Size:14.13 in. x 14.13 in. The two tiered displays makeKeep your greenhouse cool and dry with the ShelterLogic AutoVent Automatic Vent Kit, the ultimate ventilation system for your shelter. Vent automatically opens and closes based upon the interior temperature. Reduce humidity and moisture buildup in your fabric garage or shelter. A bimetallic spring, which is heat sensitive, begins to open the vent at 74 degrees, fully opened at 104 degrees. When the interior temperature cools down, the vent begins to