![Filtrete 18-in W x 36-in L x 1-in MERV 5 Basic Pleated Air Filter in the Air Filters department at Lowes.com Filtrete 18-in W x 36-in L x 1-in MERV 5 Basic Pleated Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/0232ae0b-893c-4793-8843-04648f5ba0bd/65753001.jpg)
Filtrete 18-in W x 36-in L x 1-in MERV 5 Basic Pleated Air Filter in the Air Filters department at Lowes.com
![Filterbuy 18x36x1 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 35.50 x 0.75 Inches) - Replacement Furnace Filters - Amazon.com Filterbuy 18x36x1 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 35.50 x 0.75 Inches) - Replacement Furnace Filters - Amazon.com](https://m.media-amazon.com/images/I/8135MrWbQrL._AC_UF894,1000_QL80_.jpg)
Filterbuy 18x36x1 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 35.50 x 0.75 Inches) - Replacement Furnace Filters - Amazon.com
![Filterbuy 18x36x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 35.50 x 0.75 Inches) - Replacement Furnace Filters - Amazon.com Filterbuy 18x36x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 35.50 x 0.75 Inches) - Replacement Furnace Filters - Amazon.com](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/81XulBGlC8L._AC_UF1000,1000_QL80_.jpg)
Filterbuy 18x36x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 35.50 x 0.75 Inches) - Replacement Furnace Filters - Amazon.com
![Filter King Air Filters 18x36x1 4-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Air Purifier | Replacement Filters for Clean, Healthy & Fresh Environment | MADE IN USA - Amazon.com Filter King Air Filters 18x36x1 4-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Air Purifier | Replacement Filters for Clean, Healthy & Fresh Environment | MADE IN USA - Amazon.com](https://m.media-amazon.com/images/I/712x3RxQ7EL.jpg)
Filter King Air Filters 18x36x1 4-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Air Purifier | Replacement Filters for Clean, Healthy & Fresh Environment | MADE IN USA - Amazon.com
![HDX 18 in. x 36 in. x 1 in. Standard Pleated Air Filter FPR 5, MERV 8 HDX1P5-011836 - The Home Depot HDX 18 in. x 36 in. x 1 in. Standard Pleated Air Filter FPR 5, MERV 8 HDX1P5-011836 - The Home Depot](https://images.thdstatic.com/productImages/ff1a31e3-a78a-4a7e-94ac-ffa7511ea09d/svn/hdx-air-filters-hdx1p5-011836-e1_600.jpg)