Free Shipping on orders over $99 | FREE 365-DAY RETURNS
Filters Fast Logo Header

Filters Fast® FFC21235TRN Replacement for Trane Perfect Fit BAYFTAH23M 21x23.5x5- 2-Pack


Only $40.48 per Filter
Retail: $99.99 /ea
You Save: 19%
Buy 1 - 2 for $80.95 ea.
Buy 3+ for $75.95 ea.
As low as
Retail: $99.99
You Save: 19%
Ships in 1 to 2 business days. Home Filter Club
Home Filter Club

Sign up for the Home Filter Club in checkout. You choose how often you want your filter, and we take care of the rest.

The Filters Fast® Brand Trane 21x23x5 Perfect Fit BAYFTAH23M is a compatible version of the genuine Trane Perfect fit 21x23x5 Air Filter. Also known as part number FFC21235TRNM, this Trane compatible filter comes in a convenient money saving 2-pack value set. To help maintain the operating efficiency of your home system, this filter has 5" deep pleats that are specifically designed to replace other comparably sized ducted air products. It captures unwanted airborne particles like pollen, dust, bacteria, pet dander tobacco and cooking smoke. Made of fine carbon powder bonded to lofted polyester media, this Filters Fast® air filter is supported by a 30 gauge galvanized expanded metal grid.


  • Brand: Filters Fast®
  • Part Number: FFC21235TRN
  • Replaces Part Number: TRN2321T1
  • Pack Size: 2
  • Filter Life (Months): 6 - 12
  • MERV Rating: 11
  • Dimensions: 23.032" x 20 7/16" x 4 15/16"


Customer Reviews:

Total Reviews: 4 | Average Rating: 5 / 5.0

Bill Nuttall2022-04-02

Very satisfied…been purchasing for two years

Collected by
John Hansen2021-11-14

Value for the money.

Collected by
Andy Tice2021-04-02

This product was difficult to find. Very happy with this company.

Collected by
JOSEPH R2021-03-27

Excellent filters for our Trane system. Reasonable price, speedy delivery.

Collected by

Product Availability

Please provide your e-mail address below to receive a notification when this product becomes available:


Thanks! We'll send you a notification when this product is available!