Pleated Furnace Filter, Ultra Allergen Reduction, 3-Month, Purple, 20x20x4-In. Category_Camping Quality craftsmanship trusted by generations

Quality craftsmanship trusted by generations of canners

For use in hopper

Male thread steel adapter

Other surfaces such as hardboard or vinyl may require a longer dry time

Pleated Furnace Filter, Ultra Allergen Reduction, 3-Month, Purple, 20x20x4-In. Category_Camping Quality craftsmanship trusted by generationsThe Filtrete, 20 x 20" x 4", Allergen Reduction Filter, 3 Month Filter, For Housing Units Accommodating 4" Nominal Size Filters & Is For Residential Use, Electrostatically Charged, Attracts & Captures Particles Like Pollen, Mold Spores, & Dust Mite Debris, MPR Rating 1550, Last Up To 12 Months. Actual size: 19 3 4" x 19 3 4" x 4 3 16".