SKM type wet muffler is different from the traditional muffler of Roots blower, SKM type wet muffler belongs to the supporting parts of Roots vacuum pump which is modified by Roots blower, SKM type wet muffler is very different from the traditional muffler, SKM type wet muffler is installed with the special drainage function because the vacuum pump needs to be drained, SKM type wet muffler is more sophisticated in workmanship due to special operation form, and the production is strictly in accordance with the international production standard, and the quality and quality are guaranteed. SKM type wet muffler is better in workmanship due to the special operation form, and the production is strictly in accordance with the international production standard, so the quality is guaranteed to a certain extent. However, the overall SKM wet muffler is less produced in Roots fan factories, and the main models include SKM-50 to SKM-500.