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20x24x4 MERV 10 ( FPR 6-7 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. 2 Pack. Exact Size: 19-3/8 x 23-3/8 x 3-3/4
$50.86$39.97Add to Cart The item has been added -
20x24x4 MERV 10 ( FPR 6-7 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. 4 Pack. Exact Size: 19-3/8 x 23-3/8 x 3-3/4
$73.86$58.97Add to Cart The item has been added -
20x24x4 MERV 10 ( FPR 6-7 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. Case of 6. Exact Size: 19-3/8 x 23-3/8 x 3-3/4
$102.86$82.97Add to Cart The item has been added -
20x24x4 MERV 11 ( FPR 8-9 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. 2 Pack. Exact Size: 19-3/8 x 23-3/8 x 3-3/4
$58.86$46.97Add to Cart The item has been added -
20x24x4 MERV 11 ( FPR 8-9 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. 4 Pack. Exact Size: 19-3/8 x 23-3/8 x 3-3/4
$100.86$79.97Add to Cart The item has been added -
20x24x4 MERV 11 ( FPR 8-9 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. Case of 6. Exact Size: 19-3/8 x 23-3/8 x 3-3/4
$131.86$105.97Add to Cart The item has been added -
20x24x4 MERV 13 ( FPR 10 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. 2 Pack. Exact Size: 19-3/8 x 23-3/8 x 3-3/4
$70.86$56.97Add to Cart The item has been added -
20x24x4 MERV 13 ( FPR 10 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. 4 Pack. Exact Size: 19-3/8 x 23-3/8 x 3-3/4
$140.86$112.97Add to Cart The item has been added -
20x24x4 MERV 13 ( FPR 10 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. Case of 6. Exact Size: 19-3/8 x 23-3/8 x 3-3/4
$221.86$178.97Add to Cart The item has been added -
20x24x4 MERV 8 ( FPR 5-6 ) Pleated 4" Inch HVAC Filters for AC and Furnace. 2 Pack. Exact Size: 19-3/8 x 23-3/8 x 3-3/4
$48.86$38.97Add to Cart The item has been added -
20x24x4 MERV 8 ( FPR 5-6 ) Pleated 4" Inch HVAC Filters for AC and Furnace. 4 Pack. Exact Size: 19-3/8 x 23-3/8 x 3-3/4
$69.86$55.97Add to Cart The item has been added -
20x24x4 MERV 8 ( FPR 5-6 ) Pleated 4" Inch HVAC Filters for AC and Furnace. Case of 6. Exact Size: 19-3/8 x 23-3/8 x 3-3/4
$91.86$79.97Add to Cart The item has been added
20x24x4
Optimize your air filtration system with our 20x24x4 air filters, available in MERV 8, MERV 10, MERV 11, and MERV 13 ratings. Benefit from the perfect blend of fast shipping and outstanding performance in this 4-inch filter size.