Blower Door Fan Flow Ring C
Ring C is an optional flow ring for Model 3 & 4 Minneapolis Blower Door™ fans.
Ring C measures air flows between 330 - 85 CFM.
Ring C attaches inside Ring B by rotating the fastener clips.
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Blower Door Fan Flow Ring C
Ring C is an optional flow ring for Model 3 & 4 Minneapolis Blower Door™ fans.
Ring C measures air flows between 330 - 85 CFM.
Ring C attaches inside Ring B by rotating the fastener clips.