The whole outer shell of machine is made of A.B.S plastic injection. The Oil-less vacuum pump is installed. Low noise, oil free and easy to maintenance. The handle is equipped on the top of machine which is easy to lift. The clear collection bottle is made by PC material. It can prevent the high heat and also autoclavable. The capacity is 2 liters. The water float control is installed within the bottle which can automatically stop the suction function while the bottle is full of water. The filter is connected between the two tubes which is to prevent the impurities. The fan is installed at the back of the machine which helps to prevent the heat. The power cord box is equipped on the side of the machine which is convenient to store the power cord. The foot switch is equipped. Users may choose manual or foot control. All the packing material are made by recycled paper which is enviormental protection.