Actual Dimensions: 19.75 x 24.25 x 4.75. Brand: Accumulair. 20x25x5 GeneralAire 4001 replacement whole house filters, exactly built to replace the OEM GeneralAire 4001 air filters. Fully assembled - no forming or combs required. MERV graded to ASHRAE 52.2 test standards establishing performance to the level of the original manufacturer GeneralAire 4001 filters. Notice: The example filter pic shown is not the actual dimensions and is displayed for configuration purposes only. Brand names and GeneralAire 4001 P/N included for filter style identification.
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.