American Standard Air Filter Replacements

17 1/2x27x1 17 x 26 1/4 x 3/4 (17 x 26.25 x 0.75)

Replacement for Model Number/Part Number
FLR05049

21x23 1/2x1 20 x 23 1/8 x 3/4 (20 x 23.13 x 0.75)

Replacement for Model Number/Part Number
BAYFTAH23W1A, TFE235A1AH00, TFE235A1AH10, TFE235A1AH20, TFE235A1AH30, TFE235A9AH00, TFE235A9AH10, TFE235A9AH20, TFP235A0AH00, TFP235A0AH10, TFP235A0AH11

21x27x1 20 1/2 x 26 1/4 x 3/4 (20.5 x 26.25 x 0.75)

Replacement for Model Number/Part Number
FLR05050

24 1/2x27x1 24 1/4 x 26 1/4 x 3/4 (24.25 x 26.25 x 0.75)

Replacement for Model Number/Part Number
FLR05051