Rhino Bayliss Automatic Roof Vent Opener brand_exaco We offer them in large

We offer them in large quantities with a Low Price Guarantee

expandable up to 400 sq ft

System efficiency can be increased with the use of shade system

VI 46: 2 top hanging side window

Rhino Bayliss Automatic Roof Vent Opener brand_exaco We offer them in largeThe British made Bayliss Automatic Roof Vent Opener is a reliable, premium quality product. It will automatically open and close your greenhouse roof vent, adjusting the temperature and controlling the heat inside your greenhouse. The cylinder can be unclipped during the winter months so that your vents remain securely closed against winter storms and high winds. Please note: This opener should only be purchased for use with a Rhino Greenhouse.