Grandio Automatic Window Opener Portable Power & Solar Energy Overall Dimensions: 14' x 16'

Overall Dimensions: 14' x 16' 6″

code-friendly enclosure

it provides a stable foundation for applications that rely on stored power rather than constant grid access

150 feet of rope

The ability to convert to AC/DC power using an optional kit adds flexibility

Grandio Automatic Window Opener Portable Power & Solar Energy Overall Dimensions: 14' x 16'Product Overview This automatic roof vent opener adjusts the ventilation of your greenhouse in response to temperature changes. Featuring a metal cylinder with a heat sensitive mineral, it expands to push a piston that opens the vent as temperatures rise and contracts to allow a spring to close the vent as temperatures fall, providing gradual airflow control. Why This Product Makes Sense Maintaining optimal temperature is essential for plant health