Filtrete 12-in W x 24-in L x 1-in 13 MERV 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
Pleated Air Filters - 12 x 24 x 2", MERV 8 S-24149 - Uline
12" X 24 Steel Return Air Filter Grille - HVAC Premium
12" x 24" x 2" High Capacity Pleated Disposable Air Filter, MERV 8
12 x 24 x 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement | eBay
BestAir® Pro 2″ Series 12X24 MERV 8 – BestAir Furnace Filters, Humidifier Filters & Wicks and Compactor Trash Bags – Made in USA
Air Defense HD 12x24x1
Aerostar 12x24x4 MERV 8, Pleated Air Filter, 12 x 24 x 4, Box of 6, Made in The USA - Amazon.com
Filtrete 12x24x1 Allergen Defense Air Filter 1000 Mpr : Target
True Blue 12 x 24 x 1 Fiberglass FPR 1 Air Filter 112241 - The Home Depot
HDX 12 in. x 24 in. x 1 in. Standard Pleated Air Filter FPR 5 HDX1P5-011224 - The Home Depot