Rhino Bayliss Automatic Roof Vent Opener brand_exaco Release Rate: 1-3 per 10

Release Rate: 1-3 per 10 sq

15' of water line tubing with water hose connector

Propagator Dimensions: 6

expandable up to 400 sq ft

Premium coco blend

Rhino Bayliss Automatic Roof Vent Opener brand_exaco Release Rate: 1-3 per 10The 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.