The K&N drop-in replacement air filter for the 2020 Hyundai Sonata L4 2.0L is a washable, reusable High-Flow unit designed to install into the factory air box. K&N specifies layered, oiled cotton media engineered to improve airflow and trap contaminants, notes the filter is reusable for the vehicle's lifespan, and covers it with a No-Hassle Lifetime Limited Warranty for long-term service.
K&N 2020 Hyundai Sonata L4-2.0L F/I Replacement Drop In Air Filter