Lennox Replacement Filter X6667  (2-Pack)

This Lennox X6673 MERV 10 Furnace Filter Replacement is a 98% efficient filtration media that can capture particles as small as 0.3 microns before they can collect on coils.

The Lennox X6673 MERV 10 Furnace Filter Replacement Features:

• MERV 10 Filter
• Captures dust mites, pollen, mold spores, pet dander and other contaminants down to 0.3 microns
• Genuine Lennox Part # X6667
• Nominal Dimensions: 21" x 26" x 4"
• Actual Dimensions 20 3/4" X 25 3/4" X 3 3/4"
• Replace every 6 months under normal use

 For use in:

Lennox  Healthy Climate Filter Cabinet  PCO-20C