Our Accumulair 23.5x25x4 air filter is solely built to substitute for same sized 23.5x25x4 air filter specs. Pleated electrostatic charged filter media traps contaminants in the air relative to its MERV rating. Material is free of chemicals. Note: The sample filter picture displayed is not to scale and is displayed for style only. Catalog and 23.5x25x4 air filter statements are up to date as of 03/24/2020.
Shipping and Returns
- Our current lead times are 6-8 business days for standard filters (1"-6" thick sizes), and up to 10-14 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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