Here’s the one I use on my 2018 Limited. ECOGARD XC36115 Premium Cabin Air Filter Fits Subaru Forester, Impreza, XV Crosstrek, Crosstrek, WRX, WRX STI https://www.amazon.com/dp/B00CT30SSU/ref=cm_sw_r_cp_api_5mIvBbZ4HAVZ9