Rockruth 8x39x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 39 x .75″ – FK8x39x1A-M8-4

$56.40
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Rockruth 8×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 4.5 x .75″ – FK8x4.5x1A-M8-12

$27.25
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Rockruth 8×4.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 4.5 x .75″ – FK8x4.5x1A-M8-4

$39.75
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Rockruth 8×40.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 40.5 x .75″ – FK8x40.5x1A-M8-4

$58.95
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Rockruth 8x40x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 40 x .75″ – FK8x40x1A-M8-4

$51.30
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Rockruth 8×41.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 41.5 x .75″ – FK8x41.5x1A-M8-4

$71.45
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Rockruth 8x41x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8 x 41 x .75) – FK8x41x1A-M8-4

$63.25
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Rockruth 8×42.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 42.5 x .75″ – FK8x42.5x1A-M8-4

$59.15
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Rockruth 8x42x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 42 x .75″ – FK8x42x1A-M8-4

$49.05
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Rockruth 8×43.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 43.5 x .75″ – FK8x43.5x1A-M8-4

$71.65
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Rockruth 8x43x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 8 x 43 x .75″ – FK8x43x1A-M8 -4

$49.60
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Rockruth 8×44.5×1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8 x 44.5 x .75) – FK8x44.5x1A-M8-4

$71.65
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