This item is provided by Crutchfield.com and includes free phone technical support for the life of the product. Details on how to take advantage of this service will be included with your package. Should you have any issues locating information on how to contact Crutchfield Technical Support, please contact this website's Customer Service department. What's in the Box: 1. Cold Catalyst filter + Active Carbon filter unit 2. Anti-bacterial filter + High Grade HEPA filter unit

This product can expose you to chemicals including Di-n-butyl Phthalate, Butyl Benzyl Phthalate, Di (2-ethylhexyl) phthalate and Diisononyl Phthalate, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.