Filter Hut's Accumulair brand 18x25x4 air filter is specifically designed to replace similarly sized 18x25x4 air filter specification. Pleated electrostatically charged media traps airborne substances according to the MERV standard rating. Chemical free material. Notice: The sample filter image as shown is not to scale and is included to show style purposes only. Database and 18x25x4 air filter specs last updated on 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
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