Actual Size: 20.75 x 20.75 x 4.38. Accumulair brand 21x21x4.5 Rheem RXHF-E21AM10 style whole house filters, exactly constructed to be an alternative to the original manufacturer Rheem RXHF-E21AM10 filters. Completely built with no forming or combs needed. MERV rated to ASHRAE classifications ensuring particle filtration to the level of the original manufacturer Rheem RXHF-E21AM10 filter. Note: The example filter picture as displayed is not the actual dimensions and is shown for construction purposes only. Company names and Rheem RXHF-E21AM10 P/N shown for filter replacement purposes 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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