Greenhouse Univent Window Opener
Product Description
Greenhouse Univent Window Opener
- Temperature Activated (Heat, Sun, Solar) Vent Opener can lift up to 15 lbs
- Starts opening between 65 to 77 degrees F, depending on how you have adjusted the cylinder
- Easy to install, Screws directly into polycarbonate panels, wood, or metal frames
- Unique hydraulic cylinder has 3 year manufacturer replacement guarantee
- Versatile hinge opens cold frames, doors, vents and windows
Ingenious temperature-sensitive devices automatically open and close cold frame lids, greenhouse windows and even skylights throughout the day and maintain a constant interior climate, something impossible to achieve by manual adjustments. Requires no batteries or electricity, it starts opening between 55-75°F, depending on how you have adjusted the vent. Strongly recommended for all our glazed season extenders because it dramatically improves plant growth. Screw directly into polycarbonate panels, wood, or metal frames.
Use the Standard Vent Opener to lift up to 15 lbs, and the much stronger Gigavent, with all metal construction, to lift up to 65 lbs.
Technical Specifications
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