Back Draft Shutter

Product Description

These handy additions to duct-work help reduce unwanted odors by closing ducting when the ventilation is turned off.

Available in a variety of sizes, these shutters are especially useful for stopping cold air entering your growing environment when fans are switched off.

Back Draft Shutters are made from a galvanized steel case and have two spring-loaded aluminium shutters.

  • If fans are turned off, no back-flow
  • Stops odor escaping
  • Available in all popular sizes
  • Simple installation
Size
£7.00 £46.00

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