Filtrete 12-in W x 20-in L x 1-in 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
3M Filtrete 1900 Smart Premium Allergen Bacteria And Virus Air Filter - Consumer Reports
3M Filtrete 2200 Series Elite Allergen Air Filter, 16" x 25", 3 ct | Costco