Back Draft Shutter

When your fans are off, seal your grow room; ideal for sealing off your outlet, stopping bugs from entering and heat from escaping. Manufactured from high quality galvanised steel with two spring-loaded blades.

Available in size –

• 4″ (100mm)
• 5″ (125mm)
• 6″ (150mm)
• 8″ (200mm)
• 10″ (250mm)
• 12″ (315mm)