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Halls Automatic Roof Vent Opener

Halls Automatic Roof Vent Opener
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sku:70182
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  • £36 inc VAT
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Buy this Halls Automatic Roof Vent Opener to automatically open your greenhouse roof vents to effectively ventilate your greenhouse and prevent excess humidity.

The autovent’s cylinder is filled with wax that liquefies as it heats up, automatically opening your roof vent and then closing it as the temperature drops later in the day.


Halls Automatic Roof Vent Opener

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