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Back Draught Shutters | Back Flow Prevention | C02 Aid | 6" / 8" / 10" / 12"
As low as A$15.00 
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Availability: In stock
Only %1 left
SKU
back-draught-shutters-back-flow-prevention-c02-aid-6-8-10-12
The spring operated flaps close when there is no positive air movement, preventing air back-flow when fans are turned off. This will keep light, insects and odors out.
Galvanized sheet steel Housing
Aluminum flaps
*When installed, the back draft shutters need to be orientated with the hinge area vertical.
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