20x25x5 AIRx ALLERGY Replacement for Lennox Model X6673 Air Filter – MERV 11, 4-Pack

Is this the right air filter for you?

If you want to remove the particulate in your household air that causes allergies, this is the filter for you. You won’t find this filter in your local “big box store” and you’ll probably pay a premium if you purchase it through your contractor. Make it easy on yourself and purchase online. We’ll deliver quickly to your front door.

• Quality 4-3/8″ pleated air filter offers improved filtration and longer service life over common 1″ filters
• MERV 11 rating means the filter attracts household allergens like dust, pollen, mold spores, and dust mite debris that irritate your lungs
• Replacement for the popular Lennox Healthy Climate X6673 – nominal size 20x25x5 (or 20x25x4)
• Replace every 6-9 months under normal use
• Made with pride in the USA
• Fast Shipping and Free Returns on all filters
• This filter is not manufactured by Lennox

What does this air filter remove?

What part numbers does this filter replace?

• Lennox Healthy Climate X6673, HCF20-10