Pay in 4 interest-free payments of $49.75 Learn more
Ships within 48 hours · Estimated delivery Oct 4 - Oct 9
2 roof windows with automatic openers
and practical features that improve everyday usability
The twin-wall polycarbonate acts as a double plane window keeping the cooler air in during warm months and insulating the greenhouse from cold air in the wintertime
Warranty: 10 Years Limited warranty
8mm twin-wall polycarbonate end walls
Alton | Automatic Louvered Window Opener gable roof insulated building 2 roof windows with automaticLouver windows help the ventilation of a greenhouse. Adding an Alton Automatic Louver Opener will help regulate the airflow automatically when temperature changes. Automatic attachment for a Louvre vent, fits most louvres. Its fully adjustable to open over a range of temperatures between 59 77 degrees F. Some drilling is required to fit. Please note that an auto louvre CANNOT fit a louver which is directly left of an a frame when you look at it
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