Filter Hut's Accumulair brand 23.5x30.75x4 air filter is solely engineered to be compatible with same sized 23.5x30.75x4 air filter specification. Pleated electrostatic charged filter material traps contaminants according to the MERV standard rating. Free of chemicals. Note: The example filter image displayed is not the actual dimensions and is included to show construction purposes only. Catalog and 23.5x30.75x4 air filter variations current as of 03/24/2020.
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.