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Manual Air Supply Ventilator
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Control air supply manually to help replace air exhausted by fireplaces, pellet and wood stoves, bathroom fans, laundry dryers, range hood fans, central vacs, radon systems and other combustion and / or exhaust devices.
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Cap off showing interior of installed vent
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Cap off showing interior of filter
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Unit installed in wall (cross section)
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Uninstalled unit photo