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Lennox 21x26x4 x6667 Box Filter (2pack)
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: $70.00


:: Usually Ships in 24 to 72 Hours
: X6667-(2-PACK)

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.
Lennox 21x26x4 x6667 MERV 11 Box Filter

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