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Rockruth 9×30.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 30.5 x .75″ – FK9x30x1A-M8-4

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$39.40
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Rockruth 9x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 30 x .75″ – FK9x30x1A-M8-4

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$51.90
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Rockruth 9x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 31 x .75″ – FK9x31x1A-M8-12

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$43.10
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Rockruth 9x31x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 31 x .75″ – FK9x31x1A-M8-4

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$43.10
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Rockruth 9×32.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 32.5 x .75″ –

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$43.10
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Rockruth 9x32x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 32 x .75) – FK9x32x1A-M8-4

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$46.45
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Rockruth 9×33.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 33.5 x .75″ – FK9x33.5x1A-M8-4

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$55.60
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Rockruth 9x33x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 33 x .75) – FK9x33x1A-M8-4

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$55.60
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Rockruth 9×34.5×1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9 x 34.5 x .75″ – FK9x34.5x1A-M8-4

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$55.60
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Rockruth 9x34x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 34 x .75) – FK9x34x1A-M8-4

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$55.60
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Rockruth 9x35x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 35 x .75) – FK9x35x1A-M8-4

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$55.60
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Rockruth 9×37.5×1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 37.5 x .75) – FK9x37.5x1A-M8-4

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$56.85
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