Aerostar 20x20x2 MERV 13 - 6 Count - Pleated HVAC, Furnace & Air Conditioner Filters - Removes Bacteria, Dust, Cold & Flu Germs, Lint, Mold, Pet Dander, Allergy-Causing Pollen, Smog, Smoke & Viruses

Aerostar 20x20x2 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 19 1/2"x19 1/2"x1 3/4")

Aerostar 16x20x2 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 15 1/2"x19 1/2"x1 3/4")

Aerostar 16x20x1 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 15 3/4"x 19 3/4" x 3/4")