Actual size is 20.25 x 25.38 x 5.25. Accumulair brand 20x25x5 Nordyne 9183970 style whole house filters, exactly engineered to substitute for the name brand Nordyne 9183970 filters. Completely assembled - no forming or combs needed. MERV graded to ASHRAE specifications ensuring performance as good or better than the name brand Nordyne 9183970 filter. Photo: The sample air filter image as displayed is not the actual dimensions and is there to show configuration only. Name brands and Nordyne 9183970 identifier are included for air filter substitution purposes.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
Due to shortages and demand the current lead time is up to 10 business days to process.
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.
Payment & Security
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