To keep your outdoor power equipment running at peak performance. Carburetor Carb Fits For Shindaiwa B410S B410TS T410S T410TS for Echo SRM-420TESL SRM-420TESU SRM-420ES/U SRM-420TES Trimmer Brushcutter Spare Parts Carburettor is made of metal material, sturdy structure, to ensure its reliable and stable performance. The function of the carburetor is to mix a certain proportion of gasoline with air, and use the inhaled air to achieve gasoline atomization. Installing this carburetor is quick and hassle-free. With simple steps, you can easily replace the old and have your engine running smoothly again.