Filter Hut's Accumulair brand 17x21x0.5 air filter is specifically constructed to replace similarly sized 17x21x0.5 air filter specs. Pleated static charged filter material captures contaminants in the air according to the ASHRAE MERV specification. Free of chemicals. Notice: Sample filter picture as shown is not the actual dimensions and is shown for construction only. Database and 17x21x0.5 air filter specs 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
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.