Palram-Canopia Automatic Roof Vent Opener for Prestige, Grand/Hobby Gardener and EcoGrow Greenhouses workbenchwithdrawers Featured Privacy Walls: This pergola

Featured Privacy Walls: This pergola is designed with back solid wood privacy screens

1x GAWB06HWEG - Gladiator 6 ft

ProRack can be mounted directly to studs

5" D Interior Space: 5 Cubic Feet Weight: 178 lbs Color: White

Manufacturer: NewAge Outdoor Kitchens Manufacturer SKU: 71584 Manufacturer UPC: 676065715847 Limited Lifetime Warranty

Palram-Canopia Automatic Roof Vent Opener for Prestige, Grand/Hobby Gardener and EcoGrow Greenhouses workbenchwithdrawers Featured Privacy Walls: This pergolaThe Automatic Vent Opener was designed to automatically control the temperature in your Greenhouse. As the air inside the greenhouse warms, the vent gradually opens to allow the correct amount of air flow into the greenhouse and closes when the optimal temperature is reached. The vent arm was designed with the use of natural wax that expands as the air gets warmer, to push a piston which raises the window, then contracts as it cools, closing with the