Additional information
| Select Size | 100mm (4"), 125mm (5"), 150mm (6"), 200mm (8"), 250mm (10"), 315mm (12") |
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Product Details
Seal your grow room when your fans are off. Ideal to seal off your outlet, stopping bugs entering and heat escaping. Manufactured from high quality galvanised steel with two spring loaded blades.
Back Draft Damper
£7.50 – £29.00
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