Item: 1845
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4" Insulated Ducting
DUCTING INSULATED 4" X 25'
It is necessary when removing warm moist air (especially with the slower moving super-quiet fans) to have a direct connection between the fan and the outside so that damp air does not exit into the attic or insulation.
INSULATED FLEX DUCT
This ducting is used when the run goes through an
unconditioned space. In general, please remember that flexible ducting will insure a decreased noise level over rigid duct.
Price: $14.36
Qty.:
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