Actual Dimensions: 20.75 x 20.63 x 5. Accumulair brand, 20x21x5 Electro-Air F825-0337 style whole house air filters, exactly designed to replace the name brand Electro-Air F825-0337 filters. Fully assembled so no forming or combs required. MERV rated to ASHRAE grades establishing operation equal to the name brand Electro-Air F825-0337 air filter. Photo: The example filter pic as displayed is not to scale and is shown for design purposes only. OEM names and Electro-Air F825-0337 identifier used 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.