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Trending Now Lennox X6669 Merv 16 Filter 21x26x4 Genuine Lennox Product Shop Now [jWxtldLa]

$33.99 $108.99 -69%

The Lennox X6669 Healthy Climate PureAir replacement filter uses a MERV 16 pleated filter to capture extremely small airborne particles. Dimensions: 21" x 26" x 4" In most home environments, this filter only needs to be replaced every 6 months. The P

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Trending Now Lennox X6669 Merv 16 Filter 21x26x4 Genuine Lennox Product Shop Now [jWxtldLa]

The Lennox X6669 Healthy Climate PureAir replacement filter uses a MERV 16 pleated filter to capture extremely small airborne particles. Dimensions: 21" x 26" x 4" In most home environments, this filter only needs to be replaced every 6 months. The PCO-20C Healthy Climate PureAir Air Purification System requires that you change the UVA Lamps and the Filter every year.
  • Filter dimensions: 21"x26"x4"
  •  Actual size 20 3/4" x 25 3/4" x 3 3/4" 
  • Fits the PCO-20C PureAir unit
  • Uses a MERV 16 pleated filter to capture extremely small airborne particles
  • This filter only needs to be replaced every 6 months
  • Genuine Lennox OEM Furnace Filter

What Our Customers Say

January 24, 2026

Absolutely no complaints!

An excellent gadget with very, very great features.

- Kenneth H..

January 24, 2026

Absolutely no complaints!

A great item for a very, very, very good price.

- Josephine R..

January 24, 2026

Absolutely no complaints!

An outstanding product. It is so very well made.

- Journee R..

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