Actual Size: 20.7 x 26.2 x 5. Accumulair brand, 21x27x5 American Standard BAYFTFR21M substitute whole house air filters, specifically constructed to be an alternative to the original manufacturer American Standard BAYFTFR21M air filters. Fully box-formed so no forming or combs required. MERV classified to ASHRAE ratings establishing particle filtration as good or better than the name brand American Standard BAYFTFR21M filter. Notice: Sample filter picture displayed is not true to size and is shown for style purposes only. OEM names and American Standard BAYFTFR21M identifier are included for air filter replacement purposes only.
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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