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Automatic
Vent Opener
An automatic vent opener will automatically
open and close your roof vent according to the pre-set temperatures
you select, ensuring your greenhouse is adequately ventilated
even when you're away.
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£ 45.99
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Extra Roof
Vent
Additional Roof Vents are available for
the Popular, Universal and Magnum greenhouse ranges allowing you
to increase air circulation and enable cooling breezes to gently
ventilate your greenhouse on hot summer days. Two models are available,
depending on the width of your Halls greenhouse. enlarge
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from
£ 24.95
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18",
5-blade Louvre Windows
Plants thrive on extra ventilation provided
by these louvre windows. Available in two colours: unpainted aluminium,
and green painted aluminium. You can also choose between toughened
glass (recommended) and polycarbonate glazing. The image shown
on the left includes the louvre control, which is sold separately
below. enlarge
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from
£ 49.95
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Automatic
Louvre Control
For use with the 5-Blade louvre window above.
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£ 29.99
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6-blade
Louvre Window
Available only in silver aluminium. enlarge
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£ 39.99
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Greenhouse
Curtain Shading
Not a product to aid ventilation, but nonetheless
an accessory to designed to deal with the problem of overheating
(and scorching) when the teperature soars. Also helps reduce heat
loss during colder spells. 2.59m long x 1.83m wide. Draws like
a curtain, so easy to put into position and retract as an when
needed. enlarge
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£ 57.99
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