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Greenhouse Automated Louvre Window Opening Arm
Greenhouse Automated Louvre Window Opening Arm
Greenhouse Automated Louvre Window Opening Arm
Greenhouse Automated Louvre Window Opening Arm
Greenhouse Automated Louvre Window Opening Arm
Greenhouse Automated Louvre Window Opening Arm

Greenhouse Automated Louvre Window Opening Arm

Regular price $145.00 $125.00 Sale

Automatically opens and closes the louvre window when temperature changes. The opener has a metal cylinder containing a mineral which expands when heated. This pushes a piston that opens the vent. As the temperature cools, the mineral shrinks and a spring closes the vent and resets the piston. The opening and closing of the vent is gradual allowing just the right amount of air flow for cooling. Rion Automatic Louvre Window Opener Fits all Rion greenhouses.
  • Solar Powered, Heat Activated
  • Protect your plants from over heat exposure
  • Openers close vents automatically at night to retain heat
  • Door Latch

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