2 Lennox high efficiency replacement air filters. Merv 8 Rating. Dimensions: 20x25x5. Made to fit Lennox X6673. Replaces HCXF20-10, HCF20-10, EXPXXFIL0020, EXPXXUNV0020, EXPXXLMC0020, FILCCCAR0020, FC35A1027, FC100A1037, FC200E1037 & F35Expandapac. Designed & Engineered by Crucial Air.
This is a generic product designed and engineered in the United States by Crucial Air. This is not a Lennox® OEM product and is not covered under any Lennox® manufacturer's warranty. The Lennox® brand names and logos are the registered trademarks of their respective owners. Any use of the Lennox® brand name or model designation for this product is made solely for purposes of demonstrating compatibility.