This Filter Hut Accumulair brand 16x18x4 air filter is exactly constructed to replace similarly sized 16x18x4 air filter type. Pleated electrostatically charged media captures airborne particles according to the MERV rating. Chemical free. Notice: The example filter picture shown is not to scale and is included to show construction only. Catalog and 16x18x4 air filter variations last updated on 03/24/2020.
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- Our current lead times are 3-5 business days for stocked filters (standard 1"-5" thick sizes), up to 3 weeks for made-to-order filters (non-standard and 0.5" sizes).
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
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