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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"
Regular price $83.19 USDRegular price $83.19 USDUnit price per -
Filter King 18x20x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x 1.75"
Regular price $77.64 USDRegular price $77.64 USDUnit 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"
Regular price $52.78 USDRegular price $52.78 USDUnit price per -
Filter King 18x18x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x 0.5"
Regular price $110.04 USDRegular price $110.04 USDUnit price per -
Filter King 18x20x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x 0.5"
Regular price $110.04 USDRegular price $110.04 USDUnit 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"
Regular price $65.21 USDRegular price $65.21 USDUnit price per -
Filter King 18x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 21.5 x .75"
Regular price $65.55 USDRegular price $65.55 USDUnit price per -
Filter King 18x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75"
Regular price $54.06 USDRegular price $54.06 USDUnit price per -
Filter King 18x22x0.5 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 21.5 x 0.5"
Regular price $110.04 USDRegular price $110.04 USDUnit price per -
Filter King 18x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 20.5 x .75"
Regular price $85.41 USDRegular price $85.41 USDUnit price per -
Filter King 18x18x1 Air Filter | 6-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75"
Regular price $151.21 USDRegular price $151.21 USDUnit price per -
Filter King 18x20x1 Air Filter | 6-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75"
Regular price $77.61 USDRegular price $77.61 USDUnit price per -
Filter King 18x20x1 Air Filter | 4-PACK | Carbon MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75"
Regular price $110.04 USDRegular price $110.04 USDUnit 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"
Regular price $72.77 USDRegular price $72.77 USDUnit price per -
Filter King 18x22x1 Air Filter | 4-PACK | Carbon MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 21.5 x .75"
Regular price $96.14 USDRegular price $96.14 USDUnit price per -
Filter King 18x20x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 20 x 1.75"
Regular price $118.16 USDRegular price $118.16 USDUnit price per
