Model # TRN2127R1

Internet # 100685245

21 in. x 27 in. x 5 in. Pleated Replacement Air Filter for Trane or American Standard



Model # TRN2127R1

Internet # 100685245

Easily change your household furnace filter with this MERV 10 rated Honeywell 21 in. x 27 in. x 5 in. Pleated Air Filter. This filter captures common allergens, dust, pollen, mold spores, dirt and fibers from your home's airflow. It is designed to replace Trane or American Standard Perfect Fit filter model BAYFTFR21M.

  • Pleated filter design for enhanced filtration capacity
  • Lasts up to 6 months
  • Captures household air particles such as, common allergens, dust, pollen, mold spores, dirt and fibers
  • MERV rating of 10
  • Replacement filter for Trane or American Standard perfect fit model BAYFTFR21M


Actual Product Depth (in.) 
Actual Product Height (in.) 
Actual Product Width (in.) 
Air Filter Depth (in.) 
Air Filter Height (in.) 
Air Filter Size 
21 in. x 27 in. 
Air Filter Width (in.) 
Product Thickness (in.) 
Air Filter Features 
Filters Bacteria,Filters Dust/Lint,Filters Mold Spores,Filters Most Smoke,Filters Odors,Filters Pollen,Filters Viruses,Fully Incinerable,Pleated 
Air Filter Type 
Filter Frame Material 
Filter Material 
Filter Performance Rating (FPR) 
Not Rated 
Longevity (months) 
MERV Rating (Minimum Efficiency Reporting Value) 
Warranty / Certifications
Manufacturer Warranty 


Air Filter Depth (in.): 5.0
Air Filter Type: Non-Electrostatic
Filter Material: Polypropylene
Filter Performance Rating (FPR): Not Rated
Air Filter Height (in.): 27.0
Air Filter Width (in.): 21.0
Price: $30 - $40


Rated 4.7 out of 5 by 75 reviewers.
Rated 4.0 out of 5.0 by Honeywell filter This is an excellent high performance filter. It is somewhat pfkcey. But goes sigh ghd HVAC I have. I would recommend it if it fits your equipment. November 5, 2015
Rated 2.0 out of 5.0 by Arrived Damaged One filter arrived out of the box and was damaged beyond use. We returned/rejected the damaged filter. The product is great but not the delivery service. September 22, 2015
Rated 5.0 out of 5.0 by Excellent price for a great product! The Honeywell pleated filter is a direct replacement for the much more expensive Perfect-Fit filter. I am very pleased with the quality of the Honeywell filter and the cost savings! May 13, 2011
Rated 5.0 out of 5.0 by Great replacement filter for my Trade A/C I am so happy that Home Depot started carrying these filters for my Trane A/C. I used to have to order them from specialty shops, which come with a specialty price. These are identical to my original Trane filters and actually have a higher MERV rating. They do the job and the price is a good value. The only thing I would love even more is if my local store carried these do I didn't have to order online. But, if you order two, you usually qualify for free shipping. January 31, 2012
Rated 5.0 out of 5.0 by Great product at a great price. The filter is a perfect fit and functions exactly as intended. The Home Depot had these furnace filters at the best price around, in-store and online. Delivery was as expected at my door on the projected date. July 9, 2013
Rated 5.0 out of 5.0 by Finally - an alternative to very high OEM prices for this filter Since buying a home with a new HVAC system 8 years ago I've been tied to the expensive OEM source for these filters. Glad there is now a generic alternative. Looks and seems to work just like the original. Very minor difference in edge design but does not affect function of the filter. January 8, 2013
Rated 5.0 out of 5.0 by PERFECT Nothing fancy; just an air filter -- BUT at a fraction of the cost. My AC guy who instlled our unit charges about $90 for the same thing. Thanks, Home Depot. September 11, 2012
Rated 5.0 out of 5.0 by Most Amazing Filter on the Planet It successfully filters the air. That's the primary expectation, I think. Oh and pleats. It has pleats. Like when you get pleated pants, but this is an air filter, so you can't wear it to work. I mean, I guess you could wear it to work. But wow, you would seriously look like the crazy person at the office! Unless that's your thing, I guess. Maybe wearing air filters as pants is just what you're into. I'm not judging or anything, but still, that's pretty messed up. Just go get some pants already. September 17, 2013
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