This Accumulair brand 14x28x4 air filter is solely built to substitute for same sized 14x28x4 air filter type. Pleated static charged filter material captures contaminants according to the ASHRAE MERV rating. Free of chemicals. Note: The example filter picture as shown is not to scale and is shown for construction only. Catalog and 14x28x4 air filter variations current as of 03/24/2020.
Shipping and Returns
- Our current lead times noted at the top of the page are due to backlogs, supply chain issues, and staffing shortages. We apologize for the inconvenience.
- Shipping is FREE to the contiguous United States.
- 30-day 100% return policy.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.