Actual Dimensions: 20.63 x 26.25 x .75. Accumulair brand 21x27x1 American Standard BAYFTFR21W1A substitute whole house air filters, exactly built to substitute for the name brand American Standard BAYFTFR21W1A air filters. Fully assembled - no assembly or combs required. MERV rated to ASHRAE standards establishing particle filtration as good or better than the original manufacturer American Standard BAYFTFR21W1A filter. Photo: The example filter picture displayed is not true to size and is there to show design purposes. Trade names and American Standard BAYFTFR21W1A identifier are listed for air filter style identification only.
Shipping and Returns
- Our current lead times are 10-14 business days for standard filters (1"-6" thick sizes), and up to 14-21 business days for made-to-order filters (non-standard and 0.5" sizes). Delivery normally takes another 1-3 days depending on location.
- Shipping is FREE to the contiguous United States.
- 30-day 100% return policy.
Payment & Security
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