This Stens fuel filter combines the best of value and performance to protect your fuel system and engine from dirt, grime and residue. The fuel filter blocks contaminant while allowing fuel to freely pass through. The cleansed fuel allows your engine to operate smoothly and efficiently. Stens offers premium fuel filters that are highly effective in blocking impurities. Fuel filters require periodic replacement as contaminants load the filtering material. The interval for replacing fuel filters will vary depending on the environment in which the outdoor power equipment is used. A dusty environment will require more frequent fuel filter changes. Stens fuel filters play an important role in contributing to easy starts and smooth operation with less vibration. Stens fuel filter help boost productivity by enhancing performance levels while also protecting your investment in outdoor power equipment.