12x12x1 EZ-Pleat MERV 8 Air Filters (6-Pack)

18x30x1 (17.5x29.5) MERV 8 Air Filter/Furnace Filters (6 pack)

Aerostar 14x14x1 MERV 8, Pleated Air Filter, 14x14x1, Box of 6, Made in the USA

14x30x1 (13.5x29.5) MERV 8 Air Filter/Furnace Filters (6 pack)

Nordic Pure 20x30x1M8-6 MERV 8 Pleated AC Furnace Air Filter , 20x30x1, Box of 6

Aerostar 18x18x1 MERV 8, Pleated Air Filter, 18x18x1, Box of 6, Made in the USA

FilterBuy AFB MERV 8 14x14x1 Pleated AC Furnace Air Filter, (Pack of 4 Filters), 14x14x1 - Silver

Filters Now 12x24x1 (11.75x23.75) MERV 8 Air Filter/Furnace Filters (4 pack)

Nordic Pure 12x24x1M8-6 MERV 8 Pleated AC Furnace Air Filter, 12x24x1, Box of 6

Nordic Pure 16x16x1M8-6 MERV 8 Pleated AC Furnace Air Filter, 16x16x1, Box of 6