Keep your engine running clean with the Stihl 1137 120 1600 Air Filter (Flocked). Designed to help capture airborne dust and debris before they reach the engine, this air filter replacement supports reliable airflow for compatible Stihl equipment. Use it as part of routine maintenance to help maintain consistent performance and extend service life. Brand: Stihl Title: 1137 120 1600 Air Filter Part Number: 1137 120 1600 Feature: Flocked filter media