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Lennox 21x26x4 x6667 Box Filter
Lennox 21"x26"x4" x6667 MERV 11 Box Filter
Lennox x6667 Box Filter

Lennox Healthy Climate Filter
Model Number: x6667
Nominal Size: 21" x 26" x 4"
Exact Size: 21.25" x 26" x 4"
Filter Rating: MERV 11
Expected Duration: 6 to 12 months
Our Price: $40.00


:: Usually Ships in 24 to 72 Hours
: X6667

Description Fits These Units Other Filter Options
Our HC10 filters remove up to 85% of particles such as dust, dirt, and mold spores down to 3 microns and have no ozone emissions— a known lung irritant.

Lennox is converting their MERV 10 filters to MERV 11. The same part #'s will be used.
Filter and Pressure Rating
Lennox 21x26x4 x6667 MERV 11 Box Filter

Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 1 Write a review »

  0 of 0 people found the following review helpful:
5 of 5 Excellent. May 8, 2016
Reviewer: Jim Kennedy from THE WOODLANDS, TX United States  
Correct product was received promptly and in good condition.

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