You Are Here: Home > Products > Furnace & AC Filters > By Brand > Trane/American Standard > 21x23.5x1 AIRx DUST Trane BAYFTAH23P Replacement Air Filter - MERV 8
21x23.5x1 AIRx DUST Trane BAYFTAH23P Replacement Air Filter - MERV 8
(case of 4 Filters)

click to zoom
(5 more images)

3-4 Weeks to Ship
Price: $104.80
($26.20 ea)
case of 4 Filters

21x23.5x1 ARx DUST Trane BAYFTAH23P Replacement Air Filter - MERV 8 - 4 Pack

A great value - these "generic", non-branded filters are made to the same dimensions as the Trane / American Standard BAYFTAH23P4 / FLR05046 PerfectFit prefilters.  Expect comparable performance at a value price!   Note - these filters not made by Trane or American Standard.

Nominal Size: 23-1/2" X 21" X 1"
Actual Size: 23-1/8" X 20" X 3/4"


  • Excellent for high-velocity equipment.
  • Affordable price with good performance
  • Great for helping reduce airborne allergens such as bacteria, particles that carry viruses, pollen, mold spores, fine dust, and pet dander.
  • Filter material will not support the development of mold, mildew, bacteria or other microorganisms in normal use.
  • No chemicals added. Filters are chemical free!
  • Over 30-times more efficient at capturing micro particles than ordinary fiberglass filters.
  • Lasts UP TO 3 months!


  • MERV 8 Rating
  • 100% synthetic gradient media, electrostatically charged
  • 30 gauge galvanized expanded metal grid
  • Moisture resistant double wall beverage board
  • Media pack totally bonded to frame
  • This product is listed and rated by Underwriters Laboratories as U.L. Class 2.

Fits in the following electronic air cleaner models:
TFTFE235A1AH00, TFE235A1AH10, TFE235A1AH20, TFE235A1AH30, TFE235A9AH00, TFE235A9AH10, TFE235A9AH20, TFE235A9AH30

Fits in the following media air cleaner models:
TFP235A0AH00, TFP235A0AH10, TFP235A0AH11