Filtrete by 3M Allergen Reduction + Odor Reduction HEPA-Type Air Purifier Filter, F1 - Walmart.com
3M Filtrete 1500 MPR Smart Air Filter | Sylvane
Merv 13 Filters Fast 1" Allergy AC and Furnace Filters 6-Pack
Filtrete 24-in W x 30-in L x 1-in 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
DuPont Allergy & Flu Anti-viral True HEPA Filter for TruSens Large Air Purifier | Replacement HEPA Filters & UV Bulbs | TruSens
Honeywell 20 x 30 x 1 Allergen Plus Pleated MERV 11 - FPR 7 Air Filter 90701.012030