20 x 21.25 x 1 in. Spun Fiberglass Disposable Furnace Filter Pack of 12 M470394

20 x 21.25 x 1 in. Spun Fiberglass Disposable Furnace Filter Pack of 12 M470394

$8.95 $30.02
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20 x 21.25 x 1 in. Spun Fiberglass Disposable Furnace Filter Pack of 12 M470394
  • 20 x 21.25 x 1 in. Spun Fiberglass Disposable Furnace Filter Pack of 12 M470394
  • 20 x 21.25 x 1 in. Spun Fiberglass Disposable Furnace Filter Pack of 12 M470394
20 x 21.25 x 1 in. Spun Fiberglass Disposable Furnace Filter Pack of 12 M470394

20 x 21.25 x 1 in. Spun Fiberglass Disposable Furnace Filter Pack of 12 M470394

$8.95 $30.02
Shipping calculated at checkout.
Protect your equipment against airborne particles and extend its life with these Fiberglass Furnace Filters. The high-quality material effectively traps and removes household dust, pollen and lint. These spun fiberglass filters have a MERV 4 rating and a flat panel design construction without metal media retainers. They're available in a convenient 12-count pack. The manufacturer recommends replacing them once a month.

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