Furnace Filters

18x24 x 1 In. Basic Dust & Lint Pleated Furnace Air Filter, Gray, MPR 300, 3 Months (4 pieces)

Model: 321-4

SKU: 108762

20x30 x 1 In. MERV 13 Pleated Air Filter , 90 Days (6 pieces)

Model: B1-2030-13-6

SKU: 122337

12x20 x 1 In. Basic Dust & Lint Pleated Furnace Air Filter, Gray, MPR 300, 3 Months (4 pieces)

Model: 319-4

SKU: 108760

20x25 x 1 In. MERV13 Furnace Filter, 90 Days (6 pieces)

Model: B1-2025-13-6

SKU: 122336

18x18 x 1 In. Basic Dust & Lint Pleated Furnace Air Filter, Gray, MPR 300, 3 Months (4 pieces)

Model: 317-4

SKU: 108759

20x20 x 1 In. MERV13 Furnace Filter, 90 Days (6 pieces)

Model: B1-2020-13-6

SKU: 122335

14x20 x 1 In. Basic Dust & Lint Pleated Furnace Air Filter, Gray, MPR 300, 3 Months (4 pieces)

Model: 305-4

SKU: 108758

16x25 x 1 In. MERV 13 Furnace Filter, 90 Days (6 pieces)

Model: B1-1625-13-6

SKU: 122334

14x25 x 1 In. Basic Dust & Lint Pleated Furnace Air Filter, Gray, MPR 300, 3 Months (4 pieces)

Model: 304-4

SKU: 108757

16x20 x 1 In. MERV13 Furnace Filter, 90 Days (6 pieces)

Model: B1-1620-13-6

SKU: 122333

20x25 x 1 In. Basic Dust & Lint Pleated Furnace Air Filter, Gray, MPR 300, 3 Months (4 pieces)

Model: 303-4

SKU: 108755

20x20 x 1 In. Basic Dust & Lint Pleated Furnace Air Filter, Gray, MPR 300, 3 Months (4 pieces)

Model: 302-4

SKU: 108754

14x25 x 1 In. MERV 13 Furnace Filter, 90 Days (6 pieces)

Model: B1-1425-13-6

SKU: 122332

14x20 x 1 In. MERV13 Furnace Filter, 90 Days (6 pieces)

Model: B1-1420-13-6

SKU: 122331

16x25 x 1 In. Basic Dust & Lint Pleated Furnace Air Filter, Gray, MPR 300, 3 Months (4 pieces)

Model: 301-4

SKU: 108752