Alton | Automatic Louvered Window Opener Rubbermaid 10-Year Rot-Free Guarantee - Guaranteed

10-Year Rot-Free Guarantee - Guaranteed not to rot for 10 years

Refer to the foundation and anchoring pages in your manual

Buyers who want a practical

Includes a metal foundation that allows building construction on just about any flat

and a space that adapts to their needs

Alton | Automatic Louvered Window Opener Rubbermaid 10-Year Rot-Free Guarantee - GuaranteedLouver 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