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Rion Automatic Roof Vent Opener The Rion Automatic Roof Vent Opener automatically controls the temperature in all Rion greenhouses. As the air inside the greenhouse warms, the vent gradually opens...
Availability: Many In Stock
Sku: HG1027
Greenhouses

Rion Automatic Roof Vent Opener

The Rion Automatic Roof Vent Opener automatically controls the temperature in all Rion greenhouses. As the air inside the greenhouse warms, the vent gradually opens to allow the correct amount of airflow into the greenhouse and closes when the optimal temperature is reached. The vent arm is electricity free. It uses a natural wax that expands as the air gets warmer, pushing a piston that raises the window and contracts as it cools, closing with the use of a spring. Works with all Rion greenhouses.

Features
  • Assembled dimension: 11in.W x 2in.D x 2in.H
  • Automatically controls ventilation
  • Protects your plants from heat exposure
  • Provides gradual airflow
  • Easy to install
  • Heat activated, no electricity necessary
  • Works with all Rion greenhouses
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