Actual Dimensions: 16.25 x 21 x 5. Accumulair brand: 16x21x5 Electro-Air F811-0398 replacement whole house filters, exactly engineered to be an alternative to the OEM Electro-Air F811-0398 filters. Completely assembled with no forming or combs required. MERV graded to ASHRAE specifications assuring particle filtration as good or better than the original manufacturer Electro-Air F811-0398 air filters. Photo: Example air filter pic as displayed is not to scale and is there to show configuration purposes. OEM names and Electro-Air F811-0398 P/N included for air filter substitution identification 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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