21x26x4 Lennox PCO-20C Pure Air Housing Air Filter

Product Description
Filter Hut 21x26x4 Lennox substitute air filters are specifically designed to fit in the original manufacturer PCO-20C Pure Air housing. Filter Hut's filters are MERV rated to ASHRAE 52.2 test grades establishing that our air filters will perform as good or better than the original brand Lennox air filters. These air filters are available in Odorban odor reducing carbon material. *Trade names are shown for filter substitution identification purposes only.
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  • 21 x 26 x 4 nominal size
  • 20-3/4 x 25-3/4 x 3-3/4 actual size
  • Installs in Lennox housing part number: PCO-20C Pure Air
  • Envaero brand by Accumulair
  • Engineered to fit the OEM housing
  • Preassembled in frame for ease of installation. (No end caps needed, don't need expanded with combs, etc.)
  • MERV rated to ASHRAE standards
  • Available with OdorBan odor reducing carbon material
  • 2 filters per case
Quantity of Filters in Case
Efficiency Rating
Quantity of Cases
$ 64.90 per case