K&N Engine air filter: 18000 miles replacement compatible with Subaru H4 2016 2019 1.6/2.0/2.4 L (Ascent, Crosstrek, Forester, Impreza, XV), KNA 5064

HEAVY DUTY CONSTRUCTION K&N Advantage Plus air filters are made from high quality durable materials to last up to 18,000 miles of use. 18K longer service life: K&N Advantage plus air filters offer a 50% longer service life compared to standard filters with 20,000 km. Superior filtration and protection: K&N uses a high-quality filter that provides up to 99% efficiency to protect your engine. Replace every 18,000 miles: the engine's air filter should only be replaced every 29,000 km under normal highway conditions (1.5 years based on the average of kilometers travelled per year of 20,000 km) HASSLE-FREE WARRANTY 1 year limited warranty.