Actual dimensions are 20.1 x 21.1 x 5. Accumulair brand: 21x21.5x5 Trane BAYFTAH21M compatible whole house air filters, exactly engineered to replace OEM Trane BAYFTAH21M filters. Fully assembled with no forming or combs required. MERV classified to ASHRAE 52.2 test classifications assuring performance to the level of the original brand Trane BAYFTAH21M air filters. Notice: Example filter pic shown is not to scale and is shown for design purposes. OEM names and Trane BAYFTAH21M identifier used for air filter replacement identification purposes.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- Our current lead times are 3-5 business days for stocked filters (standard 1"-5" thick sizes), up to 3 weeks for made-to-order filters (non-standard and 0.5" sizes).
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
Payment & Security
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