Filter Hut 21.5x21x5 Trane/American Standard (BAYFTAH21M2) compatible air filters are specifically built to substitue for the original manufacturer Trane/American Standard 21.5x21x5 filters. Filter Hut air filters are MERV tested to ASHRAE 52.2 test standards ensuring that our filters will function as good or better than the OEM part number (BAYFTAH21M2) air filters. These air filters can be selected with Odor Ban odor reducing carbon-inlayed technology. *Name brands are used for air filter substitution identification purposes only.
- 21-1/2 x 21 x 5 nominal size.
21.1" X 20.1" X 5" actual size.
- Replaces Trane/American Standard brand 21.5x21x5 part number: BAYFTAH21M2.
- Envaero brand by Accumulair.
- Designed to replace the OEM filter.
- Filters framed and preassembled for ease of intallation. (No need for extra combs, end-caps, etc.)
MERV classified to ASHRAE standards.
- Option of Odor Ban odor reducing carbon material.
- 2 filters to a case.