This Accumulair brand 21.5x23x0.5 air filter is specifically designed to be compatible with similarly sized 21.5x23x0.5 air filter specs. Pleated electrostatic charged filter media traps airborne substances relative to its MERV standard specification. Material is free of chemicals. Notice: The sample filter picture displayed is not to scale and is included to show style purposes only. Catalog and 21.5x23x0.5 air filter specs last verified 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.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.