Lennox X6673 - Compatible 20x25x5 Furnace Air Filter

Free shipping unlocked!

Free shipping NOT unlocked!

Lennox X6673 - Compatible 20x25x5 Furnace Air Filter - Made in Canada

Our Lennox X6673 - Compatible Furnace Air Filter 20x25x5 pleated furnace filter is available in MERV 8 and MERV 11. This compatible furnace filter is made in Canada and built for Canadian homes.

On a molecular level, PureFilters' unique high capacity pleat technology is designed to catch as many particles as possible, without restricting air flow.

Change Every 2 – 4 Months


Size: 20" x 25" x 5"(Exact Size - 19⅞ x 24¾ x 4⅜) - This Filter Is A Compatible Replacement For Lennox X6673
QuantityPack contains 1 individual furnace filter
Quality: Available in MERV 8 and MERV 11
Manufacturing: Proudly 100% Canadian made


  • Lennox: HCC20-28
  • Trion Air Bear: 453000-001, Supreme 2000, 455602-001, 447380-002
  • Carrier: EZXCAB020, FILCABCC0020, MPKA0020, MPKA, MACA
  • Honeywell: F25A1068, 1067, 1024, F100-1037, 1032, 1038, 2010, 2044, F150E-1034, F200E-1037


Why PureFilters is Canada's #1 furnace air filter company

Indoor air quality is essential to our well being, and Canadians deserve a company that just gets it right. PureFilters was founded with a mission of making superior indoor air quality simple and affordable. PureFilters sources Lennox furnace filters directly from the manufacturer, to save you time and money.

Not sure when to change your furnace filter? Check out our guide on how often you should change your furnace filter.

Not sure which MERV rating you should choose? Check out our MERV rating comparison chart.

Not sure if this is the correct furnace filter size? Check out our guide on nominal vs actual filter size.

PureFilters - keeping your air fresh, without the stress.


    Customer Reviews

    Based on 4 reviews Write a review