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6220-0 Ceiling Exhaust Fan, Axial, 250mm, 800 cubic m/hr
Ceiling Mounted Exhaust Fans, Did You Know that if the noise of the fan changes (or sounds like it's working harder) when you close the door to the room, that you may not have enough return air. This can cause the fan to wear out early, Note: 6220-0 Expressaire complies with the energy efficiency requirements of the Building Code of Australia (BCA), 250mm Expressaire auto retract blades, 290mm diameter cut out, 800m