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    • Filter King 18x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 11.5 x .75" WholesaleHVACDirect

      Filter King 18x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 11.5 x .75"

      Filter King 18x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 11.5 x .75"

      Vendor:
      Filter King
      Regular price $45.60 USD
      Regular price Sale price $45.60 USD
      Unit price /  per 
    • Filter King 18x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 11.5 x .75″ – FK18x12x1-M8 – 4 WholesaleHVACDirect

      Filter King 18x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 11.5 x .75″ – FK18x12x1-M8 – 4

      Filter King 18x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 11.5 x .75″ – FK18x12x1-M8 – 4

      Vendor:
      Filter King
      Regular price $55.60 USD
      Regular price Sale price $55.60 USD
      Unit price /  per 
    • Filter King 18x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 12 x .75″ WholesaleHVACDirect

      Filter King 18x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 12 x .75″

      Filter King 18x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 12 x .75″

      Vendor:
      Filter King
      Regular price $43.10 USD
      Regular price Sale price $43.10 USD
      Unit price /  per 
    • Filter King 18x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 13.5 x .75" WholesaleHVACDirect

      Filter King 18x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 13.5 x .75"

      Filter King 18x13.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 13.5 x .75"

      Vendor:
      Filter King
      Regular price $50.50 USD
      Regular price Sale price $50.50 USD
      Unit price /  per 
    • Filter King 18x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 13 x .75″ – FK18x13x1A-M8 -4 WholesaleHVACDirect

      Filter King 18x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 13 x .75″ – FK18x13x1A-M8 -4

      Filter King 18x13x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 13 x .75″ – FK18x13x1A-M8 -4

      Vendor:
      Filter King
      Regular price $47.80 USD
      Regular price Sale price $47.80 USD
      Unit price /  per 
    • Filter King 18x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 14.5 x .75" WholesaleHVACDirect

      Filter King 18x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 14.5 x .75"

      Filter King 18x14.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 14.5 x .75"

      Vendor:
      Filter King
      Regular price $51.30 USD
      Regular price Sale price $51.30 USD
      Unit price /  per 
    • Filter King 18x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 13.5 x .75" WholesaleHVACDirect

      Filter King 18x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 13.5 x .75"

      Filter King 18x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 13.5 x .75"

      Vendor:
      Filter King
      Regular price $28.50 USD
      Regular price Sale price $28.50 USD
      Unit price /  per 
    • Filter King 18x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 13.5 x .75″ WholesaleHVACDirect

      Filter King 18x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 13.5 x .75″

      Filter King 18x14x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 13.5 x .75″

      Vendor:
      Filter King
      Regular price $38.50 USD
      Regular price Sale price $38.50 USD
      Unit price /  per 
    • Filter King 18x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 15 x .75″ – FK18x15x1A-M8 -4 WholesaleHVACDirect

      Filter King 18x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 15 x .75″ – FK18x15x1A-M8 -4

      Filter King 18x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 15 x .75″ – FK18x15x1A-M8 -4

      Vendor:
      Filter King
      Regular price $65.60 USD
      Regular price Sale price $65.60 USD
      Unit price /  per 
    • Filter King 18x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 16 x .75″ WholesaleHVACDirect

      Filter King 18x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 16 x .75″

      Sold out

      Filter King 18x16x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 16 x .75″

      Vendor:
      WholesaleHVACDirect
      Regular price $0.00 USD
      Regular price Sale price $0.00 USD
      Unit price /  per 
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    • Filter King 18x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 17 x .75" WholesaleHVACDirect

      Filter King 18x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 17 x .75"

      Filter King 18x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 17 x .75"

      Vendor:
      Filter King
      Regular price $52.10 USD
      Regular price Sale price $52.10 USD
      Unit price /  per 
    • Filter King 18x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 17 x .75″ WholesaleHVACDirect

      Filter King 18x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 17 x .75″

      Filter King 18x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 17 x .75″

      Vendor:
      Filter King
      Regular price $62.10 USD
      Regular price Sale price $62.10 USD
      Unit price /  per 
    • Filter King 18x18x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 18 x 0.5" WholesaleHVACDirect

      Filter King 18x18x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 18 x 0.5"

      Filter King 18x18x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 18 x 0.5"

      Vendor:
      Filter King
      Regular price $78.10 USD
      Regular price Sale price $78.10 USD
      Unit price /  per 
    • Filter King 18x18x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 18 x 0.5″ WholesaleHVACDirect

      Filter King 18x18x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 18 x 0.5″

      Filter King 18x18x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 18 x 0.5″

      Vendor:
      Filter King
      Regular price $88.10 USD
      Regular price Sale price $88.10 USD
      Unit price /  per 
    • Filter King 18x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75" WholesaleHVACDirect

      Filter King 18x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75"

      Filter King 18x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75"

      Vendor:
      Filter King
      Regular price $29.70 USD
      Regular price Sale price $29.70 USD
      Unit price /  per 
    • Filter King 18x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75″ WholesaleHVACDirect

      Filter King 18x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75″

      Filter King 18x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75″

      Vendor:
      Filter King
      Regular price $39.70 USD
      Regular price Sale price $39.70 USD
      Unit price /  per 
    • Filter King 18x18x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75" WholesaleHVACDirect

      Filter King 18x18x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75"

      Filter King 18x18x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75"

      Vendor:
      Filter King
      Regular price $38.30 USD
      Regular price Sale price $38.30 USD
      Unit price /  per 
    • Filter King 18x18x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75″ WholesaleHVACDirect

      Filter King 18x18x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75″

      Filter King 18x18x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75″

      Vendor:
      Filter King
      Regular price $48.30 USD
      Regular price Sale price $48.30 USD
      Unit price /  per 
    • Filter King 18x18x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x 1.75″ – FB18X18X2-12 WholesaleHVACDirect

      Filter King 18x18x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x 1.75″ – FB18X18X2-12

      Filter King 18x18x2 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x 1.75″ – FB18X18X2-12

      Vendor:
      Filter King
      Regular price $85.60 USD
      Regular price Sale price $85.60 USD
      Unit price /  per 
    • Filter King 18x18x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x 1.75" WholesaleHVACDirect

      Filter King 18x18x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x 1.75"

      Filter King 18x18x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x 1.75"

      Vendor:
      Filter King
      Regular price $37.70 USD
      Regular price Sale price $37.70 USD
      Unit price /  per 
    • Filter King 18x18x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x 1.75″ WholesaleHVACDirect

      Filter King 18x18x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x 1.75″

      Filter King 18x18x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x 1.75″

      Vendor:
      Filter King
      Regular price $47.70 USD
      Regular price Sale price $47.70 USD
      Unit price /  per 
    • Filter King 18x18x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 18 x 1.75" WholesaleHVACDirect

      Filter King 18x18x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 18 x 1.75"

      Filter King 18x18x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 18 x 1.75"

      Vendor:
      Filter King
      Regular price $75.70 USD
      Regular price Sale price $75.70 USD
      Unit price /  per 
    • Filter King 18x18x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 18 x 1.75″ WholesaleHVACDirect

      Filter King 18x18x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 18 x 1.75″

      Filter King 18x18x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 18 x 1.75″

      Vendor:
      Filter King
      Regular price $85.70 USD
      Regular price Sale price $85.70 USD
      Unit price /  per 
    • Filter King 18x18x2 Air Filters | 6 Pack | MERV 8 HVAC Pleated AC Furnace Filters, Protection Against Mold and Pollen, Allergen Reduction, Increases Air Quality WholesaleHVACDirect

      Filter King 18x18x2 Air Filters | 6 Pack | MERV 8 HVAC Pleated AC Furnace Filters, Protection Against Mold and Pollen, Allergen Reduction, Increases Air Quality

      Filter King 18x18x2 Air Filters | 6 Pack | MERV 8 HVAC Pleated AC Furnace Filters, Protection Against Mold and Pollen, Allergen Reduction, Increases Air Quality

      Vendor:
      Filter King
      Regular price $50.30 USD
      Regular price Sale price $50.30 USD
      Unit price /  per 
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