The Genuine Subaru Cabin Air Filter removes millions of microscopic pollutants and dust particles. Remember to change your cabin air filter once a year or every 7,500-10,000 miles. Check your owner's manual for the replacement schedule that's right for your Subaru. Don't settle for aftermarket components of questionable quality and always insist on Genuine Subaru Cabin Air Filter replacements. Subaru Part Number: 72880AL00A Fits: 2015-2018 Legacy and Outback