Tier1 Replacement for Trane 21x27x5 Merv 11 FLR06070 BAYFTR21M Air Filter 2 Pack Fits Trane air cleaner models AFM210A0AH0, TFM210B0FR0, TFM210A0FR00, TFM210A0FR10,TFM210B0FR01, TFM210B0FR0A and TFM21DA0FR00. Cost-effective alternative to the expensive OEM filter. Actual Size: 20.7 inches (length) x 26.2 inches (width) x 5 inches (thickness). Made in the USA Replacement for: American Standard / Trane BAYFRAME21A, BAYFRAME210A and BAYFTFR21M.