Filtrete Allergen Defense air filters turn your central heating and cooling system into a whole house air cleaner. Featuring electro-static technology, these filters reduce airborne allergens such as household dust, lint, dust-mite debris, mold spores, pollen, pet dander and smog.

• Actual Filter Size: 19 15/16 24 5/8 x 4 3/8 Inches
• Filtrete Allergen Defense air filters turn your central heating and cooling system into a whole house air cleaner. Featuring electro-static technology, these filters reduce airborne allergens such as household dust, lint, dust-mite debris, mold spores, pollen, pet dander and smog. For best results, change your filter every 6 to 12 months.
• Filtrete 4" and 5" filters help maintain airflow in heating and cooling systems, which helps prevent stress on the system and reduces the amount of energy needed to reach desired indoor air temperatures.

Product Dimensions:

25.00 x 4.00 x 20.00 in

4.70 lbs

Shipping Dimensions:

25.80 x 9.00 x 21.00 in