$104.72
Filtrete 20x25x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 6-PackAmazon$26.13
Filtrete 16x20x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size15.69x19.69x0.81 in)AmazonSAVE $15.68
$21.14$36.82
Filtrete 18x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, Pack of 2 (Actual Size 17.81 x 23.81 x 0.81 in)AmazonSAVE $5.62
$31.87$37.49
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)Amazon$99.60and up
Filtrete Ultra Allergen Furnace Air FilterWayfair & 1 more