3M Ultra Allergen Reduction Deep Pleat 4" Filter, 2-pack (Select Sizes)

Available Sizes:
20 x 25 x 4
16 x 25 x 4
16 x 20 x 4
20 x 20 x 4

Features:
Various Sizes Available
Reduces Airborne Dust, Allergens, Bacteria and Viruses
Filtrete 4" Filters Help Maintain Airflow in Heating and Cooling Systems
For Residential Use Only
Change Every 6-12 Months