Quick view Compare 12x24x4 MERV 11 ( FPR 8-9 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. 2 Pack. Exact Size: 11-3/8 x 23-3/8 x 3-3/4 $48.86 Was: Now: $38.97 Add to Cart
Quick view Compare 12x24x4 MERV 11 ( FPR 8-9 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. 4 Pack. Exact Size: 11-3/8 x 23-3/8 x 3-3/4 $85.86 Was: Now: $68.97 Add to Cart
Quick view Compare 12x24x4 MERV 11 ( FPR 8-9 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. Case of 6. Exact Size: 11-3/8 x 23-3/8 x 3-3/4 $110.86 Was: Now: $88.97 Add to Cart
Quick view Compare 16x20x4 MERV 11 ( FPR 8-9 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. 2 Pack. Exact Size: 15-1/2 x 19-1/2 x 3-3/4 $48.86 Was: Now: $38.97 Add to Cart
Quick view Compare 16x20x4 MERV 11 ( FPR 8-9 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. 4 Pack. Exact Size: 15-1/2 x 19-1/2 x 3-3/4 $83.86 Was: Now: $66.97 Add to Cart
Quick view Compare 16x20x4 MERV 11 ( FPR 8-9 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. Case of 6. Exact Size: 15-1/2 x 19-1/2 x 3-3/4 $110.86 Was: Now: $88.97 Add to Cart
Quick view Compare 16x25x4 MERV 11 ( FPR 8-9 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. 2 Pack. Exact Size: 15-1/2 x 24-1/2 x 3-3/4" $54.86 Was: Now: $43.97 Add to Cart
Quick view Compare 16x25x4 MERV 11 ( FPR 8-9 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. 4 Pack. Exact Size: 15-1/2 x 24-1/2 x 3-3/4 $83.86 Was: Now: $66.97 Add to Cart
Quick view Compare 16x25x4 MERV 11 ( FPR 8-9 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. Case of 6. Exact Size: 15-1/2 x 24-1/2 x 3-3/4" $122.86 Was: Now: $98.97 Add to Cart
Quick view Compare 18x24x4 MERV 11 ( FPR 8-9 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. 2 Pack. Exact Size: 17-1/2 x 23-1/2 x 3-3/4 $60.86 Was: Now: $48.97 Add to Cart
Quick view Compare 18x24x4 MERV 11 ( FPR 8-9 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. 4 Pack. Exact Size: 17-1/2 x 23-1/2 x 3-3/4 $105.86 Was: Now: $84.97 Add to Cart
Quick view Compare 18x24x4 MERV 11 ( FPR 8-9 ) Pleated 4" Inch Air Filters for HVAC Systems by Glasfloss. Case of 6. Exact Size: 17-1/2 x 23-1/2 x 3-3/4 $131.86 Was: Now: $105.97 Add to Cart