![MaxMERV9 - HIGHEST RATED WASHABLE PERMANENT ELECTROSTATIC Furnace AC Air Filter - Research and Compare - Get the filter with the BEST MERV RATING of any washable filter. (14x20x1) - Amazon.com MaxMERV9 - HIGHEST RATED WASHABLE PERMANENT ELECTROSTATIC Furnace AC Air Filter - Research and Compare - Get the filter with the BEST MERV RATING of any washable filter. (14x20x1) - Amazon.com](https://m.media-amazon.com/images/I/A1f0HQcv2cL._AC_UF894,1000_QL80_.jpg)
MaxMERV9 - HIGHEST RATED WASHABLE PERMANENT ELECTROSTATIC Furnace AC Air Filter - Research and Compare - Get the filter with the BEST MERV RATING of any washable filter. (14x20x1) - Amazon.com
![Amazon.com: Filtri Washable Durable Household HVAC 20 x 25 x 1 High Efficiency MERV 13 Fine Particulate Replacement Reusable Furnace Air Filter : Tools & Home Improvement Amazon.com: Filtri Washable Durable Household HVAC 20 x 25 x 1 High Efficiency MERV 13 Fine Particulate Replacement Reusable Furnace Air Filter : Tools & Home Improvement](https://m.media-amazon.com/images/I/81-FKsD8HDL._AC_UF350,350_QL80_.jpg)
Amazon.com: Filtri Washable Durable Household HVAC 20 x 25 x 1 High Efficiency MERV 13 Fine Particulate Replacement Reusable Furnace Air Filter : Tools & Home Improvement
![Trophy Air Washable Electrostatic HVAC Furnace Air Filter, Lasts a Lifetime, 6 Stage Permanent Air Filter, Healthier Home or Office, Made in The USA - Increases Airflow (16x16x1) - Amazon.com Trophy Air Washable Electrostatic HVAC Furnace Air Filter, Lasts a Lifetime, 6 Stage Permanent Air Filter, Healthier Home or Office, Made in The USA - Increases Airflow (16x16x1) - Amazon.com](https://m.media-amazon.com/images/I/71kEKxOYRLL.jpg)
Trophy Air Washable Electrostatic HVAC Furnace Air Filter, Lasts a Lifetime, 6 Stage Permanent Air Filter, Healthier Home or Office, Made in The USA - Increases Airflow (16x16x1) - Amazon.com
![Biodefensor Washable Reusable HVAC AC Furnace Filter - MERV 6 - 20x30x1 Cut to Fit Material, Made in USA - Walmart.com Biodefensor Washable Reusable HVAC AC Furnace Filter - MERV 6 - 20x30x1 Cut to Fit Material, Made in USA - Walmart.com](https://i5.walmartimages.com/asr/aeb30103-f8a0-4d34-89a7-a1454605af05.1fd028da6eaef3d03144db8be9155dc6.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Biodefensor Washable Reusable HVAC AC Furnace Filter - MERV 6 - 20x30x1 Cut to Fit Material, Made in USA - Walmart.com
![WEB 25-in W x 20-in L x 1-in Washable MERV 8 Furnace AC Filter Adjustable Air Filter in the Air Filters department at Lowes.com WEB 25-in W x 20-in L x 1-in Washable MERV 8 Furnace AC Filter Adjustable Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/bbd22ba4-4061-4a0f-94d2-f8a8c7ba34d7/00529800.jpg)
WEB 25-in W x 20-in L x 1-in Washable MERV 8 Furnace AC Filter Adjustable Air Filter in the Air Filters department at Lowes.com
![Amazon.com: Filtri Washable Durable Household HVAC 20 x 25 x 1 High Efficiency MERV 13 Fine Particulate Replacement Reusable Furnace Air Filter : Tools & Home Improvement Amazon.com: Filtri Washable Durable Household HVAC 20 x 25 x 1 High Efficiency MERV 13 Fine Particulate Replacement Reusable Furnace Air Filter : Tools & Home Improvement](https://m.media-amazon.com/images/I/81prpoefdfL.jpg)