Actual dimensions are 19.75 x 24.25 x 4.75. Accumulair brand, 20x25x5 GeneralAire 4501 compatible whole house air filters, specifically built to substitute for the name brand GeneralAire 4501 air filters. Fully built with no assembly or combs needed. MERV graded to ASHRAE specifications establishing particulate filtration as good or better than the OEM GeneralAire 4501 filters. Photo: The sample filter picture shown is not true to size and is shown for configuration purposes. OEM names and GeneralAire 4501 part numbers included for air filter substitution purposes.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- Our current lead times are 3-5 days for stocked standard filters, and up to 24 days for non-standard, 0.5" , and bag filters.
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
Payment & Security
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