The Lennox X6673 has a MERV 11 rating and is effective in the capture of particles down to 1 micron in size that includes dust, smoke, emissions, and other airborne contaminants. Through the use of the deep, 5-inch pleated air filter design air comes into contact with the filter media and more efficient containment reduction is possible.
- Replacement for HCXF20-10, HCF20-10
- 20X25X5 MERV 11 Replacement for Lennox X6673
- Replacement for EXPXXFIL0020, EXPXXUNV0020, EXPXXLMC0020, FILCCCAR0020
- X6673 Replacement Filter for Lennox and Honeywell
- Replacement for FC35A1027, FC100A1037, FC200E1037, F35Expandapac
Can't decide on what type of filter is right for your furnace? Feel free to check out our detailed step by step guide on How To Select the Best Air Filter for home use.