MicronAir Carbon Cabin Air Filter, fits Saab 9-3 2003-2012 requires 1 filter. Offers the same filtration as the particle filter plus the added protection of carbon for odors and smells. Traps Harmful pollutants before they reach your vehicle's interior and provides cleaner air for allergy and asthma sufferers. Vehicle manufacturer recommends filter be changed every 6 to 12 months.
I paid 21.07 plus shipping for this wonderful SA02175C micronAir Carbon Cabin Air Filter and I thinking buying one more for my mother. I think he would use it even more than I do.