(Details shown apply to the default selection)
Weight: 135 g
In stock, immediate despatch
These handy additions to ductwork help reduce unwanted odours 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 galvanised steel case and have two spring-loaded aluminium shutters
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