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Bayliss XL Autovent - Bayliss XL Autovent
We've found these Bayliss Automatic Greenhouse Vent Openers to be the best on the market and are suitable vents for both wooden or aluminum grenhouse windows and frames. With the two of the most important aspects of successful greenhouse growing being adequate ventilation and preventing excessive temperatures the Bayliss XL Greenhouse Autovents are invaluable as they react to changes in greenhouse temperature and open and close vents accordingly . Please note that although the Bayliss XL Autovent will fit the vast majority of greenhouses some models of Halls and Robinsons may require additional fixings. We also recommend the for use on any Alton greenhouse structure.