Our Accumulair brand 19x21.5x1 air filter is specifically engineered to be a replacement for same sized 19x21.5x1 air filter type. Pleated electrostatic charged media traps airborne contaminants according to the MERV rating. Free of chemicals. Note: The example filter picture as shown is not to scale and is displayed for style purposes only. Database and 19x21.5x1 air filter variations 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.
Payment & Security
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