Filtrete 21-in W x 21-in L x 1-in MERV 12 1500 MPR Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
Filtrete 18-in W x 30-in L x 1-in MERV 13 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
Filtrete 18-in W x 30-in L x 1-in MERV 13 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
3M Filtrete 1500 Ultra Allergen Reduction Air Filter - 14x20x1
Filtrete 18-in W x 30-in L x 1-in MERV 11 1085 MPR Allergen Defense Extra Electrostatic Pleated Air Filter (2-Pack) in the Air Filters department at Lowes.com
Filtrete Allergen Defense Air Filter 18x30x1 | Berings
Filtrete 18x30x1, AC Furnace Air Filter, MPR 1500, Healthy Living Ultra | eBay