【Compatible Vehicles】The cabin air filter and the Engine Air Filter compatible with Ascent H4-2.4L(2019-2026), Crosstrek H4-2.0L(2018-2026), Crosstrek H4-2.5L(2021-2026), Impreza H4-2.0L(2017-2026)[NOT for WRX or STI], Impreza H4-2.5L(2024-2026), Legacy H4-2.4L/2.5L(2020-2025), Outback H4-2.4L/2.5L(2020-2025) 【 200% Longer Life】 Compare with Standard air filter, we adopts advanced HV filter paper with higher filtering precision, to absorb 99.9% of impurities (hair,fines,dust and flocs etc.).For the service life, each engine air filters are engineered to last up to 20,000 miles, 200% longer than the standard performance, less replacement. 【2 Times Longer Life】Each package comes with two filters and can be used for 1-2 years.Each cabin air filters are engineered to last up to 20,000 miles, 30% longer than the standard performance of 12,000 miles. 【When to replaced】(1)Smell Musty, unpleasant inside your vehicle; (2)Excessive noise when A/C is running;(3)A/C is on but still hot,etc; (4)Strange engine noise; (5)Black smoke coming out of the exhaust; (6)Smell of fuel when starting the vehicle,etc.Having a good filter can protect your HVAC system well. 【Easy to Install】It is convenient for you to remove the panels and clips without damaging the original car. Please watch the instructional video before installation to help you install quickly and easily. Cabin & Engine Air Filter fit for Subaru Ascent 2.4L 2019-2026, Crosstrek 2.0L 2018-2026, Impreza 2017-2026, Outback 2020-2025, Legacy 2020-2025 Replace#72880FL00A 16546AA16A Car Accessories