
Frequently asked questions
What does the Back Draft Damper do?
It seals your grow room when your fans are off. Fitted to your outlet, it stops bugs entering and heat escaping, using two spring loaded blades.
What is the Back Draft Damper made from?
It is made from high quality galvanised steel. It comes in sizes from 4 inch (100mm) up to 12 inch (315mm).
Found It Cheaper?
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