Actual dimensions are 20.75 x 20.25 x 5.25. Accumulair brand: 20x20x5 Nordyne 918396 style whole house filters, exactly built to be an alternative to the original brand Nordyne 918396 filters. Fully assembled - no assembly or combs required. MERV classified to ASHRAE specifications establishing performance as good or better than the name brand Nordyne 918396 filter. Photo: Sample filter image as displayed is not true to size and is there to show style only. OEM names and Nordyne 918396 identifier used for air filter replacement identification purposes. Database and statements are up to date as of 03/29/2020.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- Orders take 1-3 business days to process.
(Custom & bag filters take 5-7 business days.)
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
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