AIRx 21x21.5x5TR-ALLERGY | Our#: 181074
21x21.5x5 AIRx ALLERGY Trane BAYFTAH21M Replacement Air Filter - MERV 11
AIRx 21x21.5x5TR-ALLERGY | Our#: 181074
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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: 20" x 21" x 5"

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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 hardware 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 21 x 21-1/2 x 5 "PerfectFit" fiters for Trane/American Standard air cleaners (BAYFTAH21M)
- 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
- Fast Shipping and Free Returns on all filters
What does this air filter remove?
What part numbers does this filter replace?
- Trane / American Standard BAYFTAH21M, BAYFTAH21M2, FLR06072
- Honeywell TRN2121R1, TRN2121T1, TRN2121T1/U
- Accumulair DPFT21X21.5X5AM11
- Quality Filters SBPFH21MQP
- FiltersFast FFC215215TRN