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Environment & Ventilation
Check availability at Varsity Lakes
Stock last updated 11 October, 3:16 am. Call ahead before travelling.
Store stock is not a reservation.
Price in AUD, GST inclusive.
A backdraft shutter is used in exhaust fan systems and is designed to prevent air flowing in the wrong direction when the exhaust system isn’t in operation. The shutters open with the pressure generated by a fan pushing the air stream out then closes automatically when the pressure stops.
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