Lennox - X6673 Healthy Climate 20x25x5 MERV 11 Box Filter



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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
  • Replace ment for FC35A1027, FC100A1037, FC200E1037, F35Expandapac

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