Actual size is 20 x 21.13 x .75. Accumulair brand, 21x21.5x1 American Standard BAYFTFR21W1A replacement whole house air filters, specifically built to be an alternative to the original brand American Standard BAYFTFR21W1A air filters. Completely box-formed with no assembly or combs required. MERV graded to ASHRAE specifications establishing particle capture equal to the original brand American Standard BAYFTFR21W1A filters. Notice: Example air filter image as displayed is not the actual dimensions and is there to show construction purposes only. Company names and American Standard BAYFTFR21W1A P/N are included for filter substitution 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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