Rhino Bayliss Automatic Roof Vent Opener c_Winter Preparation The durable construction supports long-term

The durable construction supports long-term outdoor use while remaining easy to position

An additional one head pump controls pH through the delivery of acid or base solutions

Submersible pump

integrated chemical storage tank

Use on apples

Rhino Bayliss Automatic Roof Vent Opener c_Winter Preparation The durable construction supports long-termThe 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.