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
- Our current lead times are 10-14 business days for standard filters (1"-6" thick sizes), and up to 14-21 business days for made-to-order filters (non-standard and 0.5" sizes). Delivery normally takes another 1-3 days depending on location.
- Shipping is FREE to the contiguous United States.
- 30-day 100% return policy.
Payment & Security
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