![Filtrete 20-in W x 20-in L x 1-in MERV 1 Basic Flat Air Filter (2-Pack) in the Air Filters department at Lowes.com Filtrete 20-in W x 20-in L x 1-in MERV 1 Basic Flat Air Filter (2-Pack) in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/32c0d920-6383-4bbc-b010-d9c2e267188f/65752966.jpg)
Filtrete 20-in W x 20-in L x 1-in MERV 1 Basic Flat Air Filter (2-Pack) in the Air Filters department at Lowes.com
![Filtrete 20 In. x 20 In. x 1 In. Basic MPR Flat Panel Furnace Filter, MERV 2 (2-Pack) - Sullivan Hardware & Garden Filtrete 20 In. x 20 In. x 1 In. Basic MPR Flat Panel Furnace Filter, MERV 2 (2-Pack) - Sullivan Hardware & Garden](https://0150-cdn.dib-moce-cdn.info/Data/ItemImage-418939-fm845p2mm8nqj2nq8jjsqfq.jpg?AutoCrop=1&CropHeight=1440&CropWidth=1440&Height=1440&Padding=1&Quality=50&Resize=Auto&Revision=hmjq&Timestamp=cQsfQG&Width=1440)
Filtrete 20 In. x 20 In. x 1 In. Basic MPR Flat Panel Furnace Filter, MERV 2 (2-Pack) - Sullivan Hardware & Garden
![Filtrete 20x20x1 Air Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters - Amazon.com Filtrete 20x20x1 Air Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters - Amazon.com](https://m.media-amazon.com/images/I/81W0GuDFUDL._AC_UF894,1000_QL80_.jpg)
Filtrete 20x20x1 Air Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters - Amazon.com
![Filtrete 20x20x1 Air Filter, MPR 700, MERV 8, Clean Living Dust, Pollen and Pet Dander Reduction 3-Month Pleated 1-Inch Air Filters, 4 Filters - Amazon.com Filtrete 20x20x1 Air Filter, MPR 700, MERV 8, Clean Living Dust, Pollen and Pet Dander Reduction 3-Month Pleated 1-Inch Air Filters, 4 Filters - Amazon.com](https://m.media-amazon.com/images/I/81RGC4aKibL._AC_UF894,1000_QL80_.jpg)
Filtrete 20x20x1 Air Filter, MPR 700, MERV 8, Clean Living Dust, Pollen and Pet Dander Reduction 3-Month Pleated 1-Inch Air Filters, 4 Filters - Amazon.com
![Filtrete 20x20x1 Air Filter, MPR 1000, MERV 11, Micro Allergen Defense 3-Month Pleated 1-Inch Air Filters, 4 Filters - Replacement Furnace Filters - Amazon.com Filtrete 20x20x1 Air Filter, MPR 1000, MERV 11, Micro Allergen Defense 3-Month Pleated 1-Inch Air Filters, 4 Filters - Replacement Furnace Filters - Amazon.com](https://m.media-amazon.com/images/I/815ILcaOR4L._AC_UF894,1000_QL80_.jpg)
Filtrete 20x20x1 Air Filter, MPR 1000, MERV 11, Micro Allergen Defense 3-Month Pleated 1-Inch Air Filters, 4 Filters - Replacement Furnace Filters - Amazon.com
![Filtrete 20-in W x 20-in L x 1-in MERV 13 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com Filtrete 20-in W x 20-in L x 1-in MERV 13 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/bab9c30b-3185-4684-9a7e-249e56f6bcaf/65226695.jpg?size=pdhism)
Filtrete 20-in W x 20-in L x 1-in MERV 13 1900 MPR Premium Allergen, Bacteria and Virus Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
![Filtrete 20x20x1 Air Filter, MPR 2800, MERV 14, Healthy Living Ultrafine Particle Reduction 3-Month Pleated 1-Inch Air Filters, 2 Filters - Amazon.com Filtrete 20x20x1 Air Filter, MPR 2800, MERV 14, Healthy Living Ultrafine Particle Reduction 3-Month Pleated 1-Inch Air Filters, 2 Filters - Amazon.com](https://m.media-amazon.com/images/I/81-zNW0BObL.jpg)