![AIRx Filters 18x24x1 Air Filter MERV 8 Pleated HVAC AC Furnace Air Filter, Dust 1-Pack Made in the USA - Walmart.com AIRx Filters 18x24x1 Air Filter MERV 8 Pleated HVAC AC Furnace Air Filter, Dust 1-Pack Made in the USA - Walmart.com](https://i5.walmartimages.com/asr/a5965192-6c98-44ec-bdec-73bffe17ce48.4edc37d1c5a6db6d369e9f04621cc0b3.png)
AIRx Filters 18x24x1 Air Filter MERV 8 Pleated HVAC AC Furnace Air Filter, Dust 1-Pack Made in the USA - Walmart.com
![Filterbuy 18x24x1 Air Filter MERV 8 Dust Defense (12-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches) - - Amazon.com Filterbuy 18x24x1 Air Filter MERV 8 Dust Defense (12-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches) - - Amazon.com](https://m.media-amazon.com/images/I/71qH3-uMIZL._AC_UF1000,1000_QL80_.jpg)
Filterbuy 18x24x1 Air Filter MERV 8 Dust Defense (12-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches) - - Amazon.com
![Filtrete 18x24x1 Air Filter MPR 300 MERV 5, Clean Living Basic Dust Furnace Filter, 6-Pack (exact dimensions 17.81x23.81x0.81) - - Amazon.com Filtrete 18x24x1 Air Filter MPR 300 MERV 5, Clean Living Basic Dust Furnace Filter, 6-Pack (exact dimensions 17.81x23.81x0.81) - - Amazon.com](https://m.media-amazon.com/images/I/81mYzHg5FRL._AC_UF1000,1000_QL80_.jpg)
Filtrete 18x24x1 Air Filter MPR 300 MERV 5, Clean Living Basic Dust Furnace Filter, 6-Pack (exact dimensions 17.81x23.81x0.81) - - Amazon.com
![Filtrete by 3M, Smart 18x24x1, MERV 12, Allergen, Bacteria & Virus HVAC Air and Furnace Filter, Captures Allergens, Bacteria, Viruses, 1500 MPR, 4 Filters - Walmart.com Filtrete by 3M, Smart 18x24x1, MERV 12, Allergen, Bacteria & Virus HVAC Air and Furnace Filter, Captures Allergens, Bacteria, Viruses, 1500 MPR, 4 Filters - Walmart.com](https://i5.walmartimages.com/asr/e6683e28-a3d4-4171-970f-ab10617d389c.59edc0068a645a52df40cb4f760915ce.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
Filtrete by 3M, Smart 18x24x1, MERV 12, Allergen, Bacteria & Virus HVAC Air and Furnace Filter, Captures Allergens, Bacteria, Viruses, 1500 MPR, 4 Filters - Walmart.com
![Filtrete 18x24x1 Air Filter MPR 1000 MERV 11, Allergen Defense, 2-Pack (exact dimensions 17.81 x 23.81 x 0.81) - - Amazon.com Filtrete 18x24x1 Air Filter MPR 1000 MERV 11, Allergen Defense, 2-Pack (exact dimensions 17.81 x 23.81 x 0.81) - - Amazon.com](https://m.media-amazon.com/images/I/814KwWZ9WVL.jpg)
Filtrete 18x24x1 Air Filter MPR 1000 MERV 11, Allergen Defense, 2-Pack (exact dimensions 17.81 x 23.81 x 0.81) - - Amazon.com
![Filterbuy 18x24x1 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches) - Replacement Furnace Filters - Amazon.com Filterbuy 18x24x1 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.38 x 23.38 x 0.75 Inches) - Replacement Furnace Filters - Amazon.com](https://m.media-amazon.com/images/I/81g+YL06prL.jpg)