Lennox X6669 MERV 16 21x26x4 Air Filter

Quality Alternative ($114.99/filter)

  • MERV 16, Made in the USA
  • Recommended
List Price $229.99

Our Price: $114.99

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Lennox X6669

  • MERV 16
List Price $337.99

Our Price: $168.99

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In Stock
  • Product Overview

The genuine OEM Lennox X6669 MERV 16 21x26x4 Air Filter is designed for use in the Lennox HCFPCO20-16 and Lennox PCO-20C PureAir air cleaners.

Lennox X6669 Specifications:
  • Nominal Size: 21" x 26" x 4"
  • Actual Size: 21-1/4" (21.25") x 26" x 4"
  • MERV Rating: 16
  • Filter Life: 6 months for air conditioning and heating use and 12 months for heating use only
Lennox X6669 Pleated Media Filter Compatible Model/Part Numbers:
  • X6669, X666901
  • HCFPCO20-16, PCO-20C
  • 100908-05
Lennox 21" x 26" x 4" Pleated AC & Furnace Filter is also known as:
  • Lennox X6669 MERV 16 Filter 21” x 26” x 4” .
  • Lennox X6669 PureAir PCO-20C Filter 21x26x4.
  • Lennox X6669 Healthy Climate PureAir 100908-05 Replacement Filter MERV 16 for PCO-20C.