Filtrete 12x12x1, AC Furnace Air Filter, MPR 1500, Healthy Living Ultra Allergen, 2-Pack (exact dimensions 11.81 x 11.81 x 0.78)

Filtrete 12x12x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 11.81x11.81x0.78 in)

Filtrete 20x20x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, Pack of 2 (Actual Size 19.69x19.69x0.78 in)

Filtrete 20x30x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 19.81x29.81x0.78 in)