Filtered Air System for 2'x2' Air Diffuser (4877).

Filtered Air System for 2'x2' Air Diffuser (4877).

Item 4101 Installed

Filtered Air Diffuser-2'x2' with Back Pan

4 Pack of Replacement Filters for Filtered Air System (4877-4RF)

$6.99
In stock
SKU
4877-4RF
  • Buy 4 for $5.99 each and save 15%

4 pack of replacement filters for item # 4877, Filtered Air System. Three ply fiber filters should be changed every 4-6 months depending upon air flow of the vent.

4 pack of replacement filters for item #4877, Filtered Air System. Three ply fiber filters should be changed every 4-6 months depending upon air flow of the vent.

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Item # 4877-4RF
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