Lennox X6667 21x26x4 MERV 11 Air Filter

  • X6667

  • 5 stars
  • (2)
List Price $123.99

Our Price: $61.99

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Replace every 6 months
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  • Product Overview
  • Reviews

The genuine OEM Lennox X6667 MERV 11 21x26x4 Air Filter is designed for use in the Lennox HCFPCO20-10 and Lennox PCO-20C PureAir air cleaners.

Lennox X6667 Specifications:
  • Nominal Size: 21" x 26" x 4"
  • Actual Size: 20-3/4" (20.75") x 25-3/4" (25.75") x 3-3/4" (3.75")
  • MERV Rating: 11
  • Filter Life: 6 months for air conditioning and heating use and 12 months for heating use only
Lennox X6667 Pleated Media Filter Compatible Model/Part Numbers:
  • X6667, X666701
  • HCFPCO20-10, PCO-20C, PCO-20P, PCO-20U
  • 75X67
Lennox 17" x 26" x 4" Pleated AC & Furnace Filter is also known as:
  • Lennox X6667 Filter 21x26x4 MERV 10.
  • Lennox X6667 OEM Media Filter fits Model PCO-20C MERV 10.
  • Lennox X6667 MERV 10 Replacement Filter 21” x 26” x 4”.
  • Lennox Healthy Climate MERV 11 Filter X6667.

0 out of 0 people found this review helpful.
5.0 Stars

Quality and value.

By Male in 50s from Slocomb, AL on 12/10/2024 7:00:06PM

A quality filter at a great price. Thank you!!

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0 out of 0 people found this review helpful.
4.5 Stars

Lennox X6667 21x26x4 Merve 11 Filter

By Female from Chesterfield, VA on 3/23/2023 2:43:11PM

Good price! Just what I needed

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