SAVE $13.33
$23.49$36.82
Filtrete 18x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 17.81 x 23.81 x 0.81 in)Amazon$23.49
Filtrete 12x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 11.719x23.72x0.85 in)Amazon$115.68and up
Filtrete Ultra Allergen Furnace Air FilterWayfair & 1 more$103.52
Filtrete 20x25x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 6-PackAmazonSAVE $8.77
$126.22$134.99
Filtrete 23.5x23.5x1 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria&Virus Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter,6-Pack (Actual Size 23.22x23.22x0.78in)Amazon