The Stihl Air Filter is designed to protect your chainsaw's engine by preventing debris and dust from entering. Constructed with a durable plastic frame and high-quality flocked fabric material, this air filter ensures that fine particles are effectively kept away from the engine's carburetor, promoting optimal performance. Compatible with Stihl 028 and 028 AV chainsaws, this air filter is identified by part number 1118 120 1601. Keep your chainsaw running smoothly and efficiently with the reliable protection of the Stihl Air Filter.