Filter Hut's Accumulair brand 20x23x4 air filter is exactly made to replace similarly sized 20x23x4 air filter type. Pleated electrostatic charged filter material captures airborne substances relative to its MERV standard rating. Chemical free material. Note: The sample filter picture as shown is not the actual dimensions and is shown for style purposes. Catalog and 20x23x4 air filter specs last updated on 03/24/2020.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- 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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