Filtrete 1500 Ultra Allergen Healthy Living Filter - 18x30x1 (6-Pack)
Filtrete 18-in W x 30-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
Buy 18x30x1 (17.5 x 29.5) DuPont™ Allergen Air Filter (MERV 11) | AirFilters.com
Filtrete 18x30x1 Air Filter, MPR 1200 MERV 11, Allergen Plus Odor Reduction, 1 Filter - Walmart.com
Filtrete 18x30x1 Allergen Defense Air Filter 1000 Mpr : Target
NEW 4-Pack Filtrete 18x30x1 MPR 1000, MERV 11 AC Furnace Air Filter, SEALED | eBay
Filtrete Ultra Allergen 20x30x1 Air Filter : Target
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