Actual size is 20.75 x 20.25 x 5.25. Accumulair brand: 20x20x5 Nordyne 9183960 substitute whole house air filters, specifically engineered to replace original brand Nordyne 9183960 air filters. Fully constructed with no assembly or combs needed. MERV classified to ASHRAE 52.2 test standards ensuring operation as good or better than the name brand Nordyne 9183960 filters. Photo: The sample filter pic as shown is not the actual dimensions and is included to show style only. Company names and Nordyne 9183960 P/N are used for filter replacement identification use.
Shipping and Returns
- Our current lead times are 6-8 business days for standard filters (1"-6" thick sizes), and up to 10-14 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
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.