16x20x4 13 ( 2200) Furnace 4" Inch Air Filters by Glasfloss Industries. 6 (Actual Depth: 3-3/4")
$29.39
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16x20x4 13 ( 2200) Furnace 4" Inch Air Filters by Glasfloss Industries. 6 (Actual Depth: 3-3/4")
$29.39
16x20x4 13 ( 2200) Furnace 4" Inch Air Filters. 6 (Actual Depth: 3-3/4") Actual Size: 15-1/2 x 19-1/2 x 3-3/4 | Nominal Size: 16x20x4 Filtration Rating: 13. Comparable to rating 1900 to 2200, or 10 rating. Effectively captures and blocks small-particles such as virus carriers, bacteria, allergens, smog, smoke, lint, dust, pet dander and pollen.