by JULIANA AMERICA LLC
Buy new: $51.00
2 used & new from $49.99
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Review & Description
Just The Right Accessory For You! Vent openers do not require electricity. 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. This control allows solar-powered control of top or side mounted window vents. These window openers have an adjustable opening temperature of 60°F to 75°F and an 18" maximum opening which would be reached at approximately 90°F. Features: Lifting capacity is 15 lbs. M Made from corrosion resistant aluminum & stainless steel Fits Perfectly on Most Greenhouses Will Not Fit Juliana Basic or Mini Greenhouses - we suggest using our Univent Opener Free Shipping - Low Price Guarantee Read more
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