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Filter King 18x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 21 x .75"
Regular price $93.83 USDRegular price -
Filter King 18x24x2 Air Filter | 5-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 23.5 x 1.75"
Regular price $80.73 USDRegular price -
Filter King 18x10x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 10 x .75"
Regular price $103.48 USDRegular price -
Filter King 18x18x4 Air Filter | 5-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x 3.75"
Regular price $128.76 USDRegular price -
Filter King 18.5x52.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 52.5 x .75"
Regular price $172.09 USDRegular price -
Filter King 18.5x46x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 46 x .75"
Regular price $172.09 USDRegular price -
Filter King 18x30x2 Air Filter | 5-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 29.5 x 1.75"
Regular price $118.03 USDRegular price -
Filter King 18.5x44x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 44 x .75"
Regular price $172.09 USDRegular price -
Filter King 18.5x37.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 37.5 x .75"
Regular price $132.96 USDRegular price -
Filter King 18x23.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 23.5 x .75"
Regular price $112.07 USDRegular price -
Filter King 18x20x1 Air Filter | 6-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 20 x .75"
Regular price $157.26 USDRegular price -
Filter King 18x28x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 27.5 x .75"
Regular price $95.42 USDRegular price -
Filter King 18.5x63.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 63.5 x .75"
Regular price $211.23 USDRegular price -
Filter King 18.5x40.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 40.5 x .75"
Regular price $132.96 USDRegular price -
Filter King 18x30x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 29.5 x .75"
Regular price $64.34 USDRegular price -
Filter King 18x27x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 27 x .75"
Regular price $84.60 USDRegular price
