AIRx 21x26x5TR-ALLERGY | Our#: 171750

21x26x5 AIRx ALLERGY Trane BAYFTAH26M Replacement Air Filter - MERV 11

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AIRx 21x26x5TR-ALLERGY | Our#: 171750

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Reduce common allergy symptoms

  • Reduces allergy irritating particles
  • Captures allergens like dust, mold spores, pet dander, dust mite debris and more
  • Lessens odors from car fumes & smog
  • Creates cleaner indoor air
  • Actual Dimensions: 21 ¾" x 25 ⅞" x 5"

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Product Details

Is this the right air filter for you?

If you want to protect your lungs from allergy-producing particles and improve the air quality in your home, this is the filter for you!  You've made an investment in a high-quality air cleaner - and you want a filters that fits and performs.  The unusually-sized filter probably won't be available in your local "big box store" and you'll pay a premium if you purchase it throught your contractor.  Buy online!  We'll deliver quickly to your front door.

  • Quality 5" pleated air filter with expanded surface area, low pressure drop, and long service life 
  • MERV 11 rating means the filter attracts household allergens like dust, pollen, mold spores, and other particles that irritate your lungs
  • Replaces nominally sized 26 x 21 x 5 "PerfectFit" fiters for Trane/American Standard air cleaners
  • Unique gasketing insures a tight fit and eliminates air bypass around filter
  • Replace every 6-12 months under normal use
  • Made with pride in the USA

What does this air filter remove?

What part numbers does this filter replace?

  • Trane / American Standard BAYFTAH26M, FLR06074, FLRQB5AH26M11
  • Honeywell TRN2621T1
  • Quality Filters SBPFH26MGQP, SBPFH26MMQP, SBPFH26MOB
  • Tier1 DPFT21X26X5A, DPFT21X26X5AM11, DPFT21X26X5AM13, DPFT21X26X5AM8
  • Accumulair DPFT21X26X5AM11, DPFT21X26X5AM8, DPFT21X26X5AM13, DPFT21X26X5AM

Do you want to know about the technical specs?

Nominal Dimensions
21 x 26 x 5"
Actual Dimensions
21 ¾ x 25 ⅞ x 5"
Filter Media
Electrostatically charged 100% synthetic gradient media that does not support microbiological growth
Filter Support Grid
30 gauge galvanized expanded metal grid
Moisture resistant double-wall beverage board
Max Temperature
180F (82C) continuous service, peak 225F (107C)
Max Humidity
Resistant to 100% R.H.

Replaces These Filters:

National Filter Sales:
Quality Filters: