Trane / American Standard BAYFTAH23M Aftermarket Panel Filter, 21x23.50x5, MERV 10TRF21x23.5x5M8 $93.44 SKU: TRF21x23.5x5M8 Back $93.44 Quantity -+ Add to Cart Details Trane / American Standard BAYFTAH23M Aftermarket Panel Filter, 21x23.50x5, MERV 10 DetailsBackDetailsTrane / American Standard BAYFTAH23M Aftermarket Panel Filter, 21x23.50x5, MERV 10See MoreSee Less