Actual Dimensions: 19.5 x 24.5 x 3.75. Accumulair brand: 20x25x4 20x25x4 Top Tech compatible whole house filters, exactly constructed to replace the OEM 20x25x4 Top Tech filters. Fully constructed - no forming or combs required. MERV rated to ASHRAE classifications assuring operation as good or better than the original manufacturer 20x25x4 Top Tech air filters. Photo: Example air filter pic displayed is not true to size and is there to show configuration purposes. Brand names and 20x25x4 Top Tech part numbers displayed for filter replacement purposes only. Catalog and specifications last verified on 03/29/2020.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- 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.