Costco offers members a four-pack of its 2200 Premium Allergen & Home Pollutant 1" furnace filters for $44.99, limit five packs per customer. A variety of sizes is available as shown below. This is a savings of at least $20 per four-pack off Costco’s usual prices (as shown in ), and is much lower than prices available elsewhere.
- 14x20x1
- 14x24x1
- 14x25x1
- 14x30x1
- 16x20x1
- 16x25x1
- 20x20x1
- 20x25x1
- 20x30x1