Actual dimensions are 19.75 x 19.88 x 4.38. Accumulair brand, 20x20x5 Honeywell F25F1018 compatible whole house filters, exactly designed to replace the name brand Honeywell F25F1018 filters. Completely assembled - no forming or combs required. MERV rated to ASHRAE 52.2 test ratings assuring operation to the level of the name brand Honeywell F25F1018 filter. Note: The example air filter image as displayed is not the actual dimensions and is shown for style only. OEM names and Honeywell F25F1018 P/N are shown 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
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.