DuPont® Allergen Ultimate 9600™ MERV 13 Pleated Air Filter at Menards®
DuPont High Allergen Care Electrostatic Air Filter 4-Pack | Smart Neighbor
Buy 8x24x1 (Actual Size) DuPont™ Maximum Air Filter (MERV 13) | AirFilters .com
DuPont 3 Way Odor Control Carbon Adjustable Air Filter 20"x25". This filter is unique in that can be trimmed to fit most HVAC size needs. - Walmart.com
DuPont Ultimate Air Filters, 10" x 10" x 1", Pack Of 4 Filters - Walmart.com