Bayliss Automatic Roof Vent Opener (For Rhino Greenhouses Only) Promote Please note: This opener should

Please note: This opener should only be purchased for use with a Rhino Greenhouse

Switch between a fan only mode (perfect for moving the air in summer) and a fan & heat mode

It’s better looking: We’ve spent years refining our design to give you the elegant Rhino Classic you see today

You’ll get four roof vents with automatic openers

to give you plenty of headroom and space to keep taller plants under glass for longer

Bayliss Automatic Roof Vent Opener (For Rhino Greenhouses Only) Promote Please note: This opener shouldThe 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.