タイトルまたは説明

inside diameter: **3
outside diameter:**8
high:**8
Engine to take in a lot of air in the process of work, if the air not filtered, floating dust in the air inhaled in the cylinder, will accelerate the piston and cylinder wear.Larger particles into between piston and cylinder, will cause serious "cylinder" phenomenon, in the dry sandy was particularly severe working environment.Air filter is installed in the front of the carburetor or inlet pipe, have the effect of filter dust and sand in the air, ensure into enough, and clean air in the cylinder.