Automatic Vent Opener

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Product: Automatic Vent Opener
Retailer: Grow Organic

Requires no batteries or electricity.

It can be adjusted to start opening between 60-77°F. Fully open at 86-90°F. Fully closed at 55°F.

Strongly recommended for all our glazed season extenders because it dramatically improves plant growth.

The hydraulic cylinder comes with a 1 year warranty. The average lifetime of the cylinder is 5-10 years, although some can last up to 20 years.

Replacement cylinders are available.Screw directly into polycarbonate panels, wood, or metal frames. The Standard Vent Opener can open a hinged window or vent weighing as much as 32 lb.