room air filter purifier

Nordic Pure 16x25x5 (4 3/8) Honeywell/Lennox Replacement MERV 12 Air Filter 1 Pack

Simply 12x14x1 Air Filter, Merv 8, MPR 600, 4 Pack, Furnace Air Filter for HVAC (Actual Size: 11.75"x13.75"x0.75") DUST, Pet, & Allergy Control

Filterbuy 20x20x1 Air Filter (2-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 19.50 x 19.50 x 0.75)

Filterbuy 20x22x5 Air Filter (1-Pack), Pleated MERV 11 Allergen Defense Replacement HVAC AC Furnace Filters for Amana, Goodman, Nordyne & Five Seasons

Glasfloss 14x25x2 MERV 10 Pleated 2" Inch Air Filters for AC and Furnace. 3 PACK. Actual Size: 13-1/2 x 24-1/2 x 1-3/4

Filterbuy 20x25x5 Air Filter (2-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Filters for Honeywell FC100A1037, Lennox X6673, Carrier & More

Glasfloss 16x20x4 MERV 10 Pleated 4" Inch AC Furnace Air Filters. Case of 6. Actual Size: 15-1/2 x 19-1/2 x 3-3/4

Elite Allergen Air Filter - 13 MERV RATING

Filterbuy 16x25x5 Air Filter (2-Pack), Pleated MERV 13 Health Defense HVAC AC Furnace Filters for Honeywell FC100A1029, Lennox X6670, Carrier, & More

Filterbuy 15x15x4 Air Filter (6-Pack), Pleated MERV 13 Health Defense Replacement HVAC AC Furnace Filters (Actual Size: 15.00 x 15.00 x 3.63)

Nordic Pure 20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 12 Air Filter 1 Pack

Mann+Hummel 16x25x4 MERV 8 Pleated HVAC AC Furnace Air Filters. Box of 4. (Exact Size: 15.5 x 24.5 x 3.75 Inches)

Filterbuy 20x25x4 Air Filter (6-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 19.50 x 24.50 x 3.63)

Filterbuy 16x22x1 Air Filter (2-Pack), Pleated MERV 8 Dust Defense Replacement HVAC AC Furnace Filters (Actual Size: 15.50 x 21.50 x 0.75)

Filterbuy 20x20x1 Air Filter (4-Pack), Pleated MERV 13 Health Defense Replacement HVAC AC Furnace Filters (Actual Size: 19.50 x 19.50 x 0.75)