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Proper ventilation is key to ensuring the right growing environment in the greenhouse. Our range of ventilation accessories will help you get the most out of your greenhouse. Our automatic roof vent openers are particularly useful for keeping the greenhouse cool when you are away from the garden.

In Greenhouseforum you can read about diseases caused by poor ventilation.

Free mainland shipping on all Halls and Juliana greenhouses! Use voucher today10 for extra £10 off (Min spend £499)!