Thermovent Automatic Roof Window Opener Wood Size(inch): 22

Size(inch): 22

Mounted on the outside wall of the greenhouse

and the smooth surfaces will make cleanup a breeze

This attractive wire mesh shelf allows air circulation around plants and lets maximum sunlight through to the plants below

Thermovent Automatic Roof Window Opener Wood Size(inch): 22DESCRIPTION Avoid diseases and pests in your plants by airing them out. Many plants do not tolerate high temperatures and high humidity. Thermovent is an automatic window opener in an aluminium zinc coated steel look. Work on most greenhouse roof windows in our store. This model also comes with Planta Greenhouse Automatic Window Package. FEATURE Adjustable opening temperature of 60 F to 86 F Single springs Maximum opening of 17. 71", Open force 15. 43