Honeywell 16x20x1 Furnace Air Filter High Efficiency MERV 11 - 4 Pack
Filti 6500 Pleated Home HVAC Furnace 16x20x1 MERV 11 Air Filter (4 Pack) - Walmart.com
Buy 16x20x1 (15.5 x 19.5) DuPont™ Odor Air Filter (MERV 10) | AirFilters.com
16x20x1 Merv 8 Pleated AC Furnace Filter - Case of 6 - Atomic Filters
BNX 16X20x1 MERV 13 Furnace Air Filter, 4 Pack MADE IN USA HVAC AC Furnace | eBay
Filtrete 16 In. x 20 In. x 1 In. Basic MPR Flat Panel Furnace Filter, MERV 2 (2-Pack) - Hemly Hardware
GreenTech Environmental Commercial Grade Non-HEPA Air Purifier Filters | Filter 990 16X20X1 24CASE | Removes Dust, Odors, Particulates | Ideal for Commercial & Home Use in the Air Purifier Filters department at Lowes.com