K&N Freeflow Air Filter for Mercedes-Benz C Class / CL Class / CLA Class / CLK Class / G Class / ML / R / SL / SLK Code: 33-2181

Type: High-flow air filter
Reusable: Yes
Washable: Yes
Filter layers: 4
Filter material: Cotton gauze
Pre-treatment: Pre-oiled
Cleaning: Every 120,000 km under normal highway driving conditions
Compatibility: Mercedes-Benz C-Class, CL-Class, CLA-Class, CLK-Class, G-Class, ML, R, SL, SLK

The K&N 33-2181 high-flow air filter is reusable and washable, with four layers of cotton gauze treated with a special bonding agent to trap contaminants. It comes pre-oiled and fits in the factory airbox. Its design is intended to improve airflow and increase horsepower and acceleration.