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Filter King 9x11.38x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 11.38 x .75"

Filter King 9x11.38x1 Air Filter | 4-PACK | MERV 8 HVAC Plea

USD 23.0
Filter King 9×11.38×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 11.38 x .75"

Filter King 9×11.38×1 Air Filter | 4-PACK | MERV 8 HVAC Plea

USD 23.0
Filter King 23.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 20 x .75" - FK23.5x20x1A-M8 -4

Filter King 23.5x20x1 Air Filter | 4-PACK | MERV 8 HVAC Plea

USD 48.85
Filter King 23.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 37.5 x .75"

Filter King 23.5×37.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pl

USD 59.1
Filter King 12.5x21x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 21 x 1.75"

Filter King 12.5x21x2 Air Filter | 4-PACK | MERV 8 HVAC Plea

USD 68.15
Filter King 11.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 23.5 x .75" - FK11.5×23.5x1A-M8 -4

Filter King 11.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pl

USD 12.4
Filter King 13.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 19.5 x .75" - FK13.5×19.5x1A-M8

Filter King 13.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pl

USD 22.41
Filter King 15.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x .75" - FK15.5×19.5x1A-M8 -3

Filter King 15.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pl

USD 14.4
Filter King 10x30x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 29.5 x .75" - FB10X30N -3

Filter King 10x30x1 Air Filter | 3-PACK | MERV 8 HVAC Pleate

USD 16.4
Filter King 13×21.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13 x 21.5 x .75" - FB13X21.5A -3

Filter King 13×21.5×1 Air Filter | 3-PACK | MERV 8 HVAC Plea

USD 18.4
Filter King 8x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 8 x .75"

Filter King 8x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated

USD 33.4
Filter King 17x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 21 x .75" - FB17X21A -3

Filter King 17x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleate

USD 20.5
Filter King 15.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 23.5 x .75" - FK15.5×23.5x1A-M8 -3

Filter King 15.5×23.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pl

USD 20.91
Filter King 19.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 19.5 x .75" - FK19.5×19.5x1A-M8 -3

Filter King 19.5×19.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pl

USD 21.51
Filter King 15.5×29.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 29.5 x .75" - FK15.5×29.5x1A-M8-3

Filter King 15.5×29.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pl

USD 25.04
Filter King 14x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 6 x .75"

Filter King 14x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated

USD 22.3
Filter King 9x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 11 x .75"

Filter King 9x11x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated

USD 22.35
Filter King 19.5×24.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 24.5 x .75" - FK19.5×24.5x1A-M8 -4

Filter King 19.5×24.5×1 Air Filter | 3-PACK | MERV 8 HVAC Pl

USD 22.79
Filter King 8x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 24 x .75"

Filter King 8x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated

USD 23.2
Filter King 18.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 15.5 x .75" - FK18.5×15.5x1A-M8

Filter King 18.5×15.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pl

USD 23.9
Filter King 5.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 5.5 x 8 x .75" - FK5.5x8x1A-M8-4

Filter King 5.5x8x1 Air Filter | 4-PACK | MERV 8 HVAC Pleate

USD 27.25
Filter King 13.5x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 13.5 x .75"

Filter King 13.5x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pl

USD 37.35
Filter King 21x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 16 x .75" - FK21x16x1A-M8 -4

Filter King 21x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleate

USD 24.65
Filter King 17x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 19.5 x .75" - FB17X20 -4

Filter King 17x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleate

USD 24.8