I'm with Fummins on this one! I don't see myself driving my Mirage in California any time soon. Thus, I don't mind cheap cabin air filters. If I do take a trip to California some day, I will change over to a $14+ cabin air filter beforehand.
By the way - the most expensive Hastings cabin air filer has this posted -
Attention California Customers - Warning: These products can expose you to chemicals, including Diisononyl Phthalate, Carbon black extracts, Nickel, 1,3 Butadiene, Ehylene Oxide, Epichlorohydrin, which are known to the State of California to cause cancer, and Bisphenol-A, Ethylene Glycol, Ethylene Oxide, 1,3 Butadiene, Epichlorohydrin, which are known to the State of California to cause birth defects or other reproductive harm. For more information go to
www.P65Warnings.ca.gov