2 Pack X0445 Replacement Furnace Filter for Lennox PMAC-20C X0445 - MERV 10, 20x25x6 Air Filter

Compatible Models: X0445 Replacement Furnace Filter Compatible with Lennox PMAC-20C X0445. (size is 20 x 25 x 6 inches) | Package includes: 2 Pack X0445 True Filter. (MERV 10) | Storage and Use: Please store your filter in a dry place. Remove the plastic packaging before putting the new filter into the air purifier. (Collapsible media designed to ensure easy installation) | Performance: For best performance, If it is used 24 hours a day, we recommend that you replace the filter at least once every 6-12 months. | 100% after-sales service: If you have questions or concerns, you can contact us and our customer service team will give you a satisfactory solution.