WIDE APPLICATION: It has been widely used in the fields of experiment, biochemical analysis, pharmacy, fine chemical industry, biological engineering, food, paper industry, etc. LIGHTWEIGHT: It is small and has the advantage of low noise and no pollution. DIRECTION RANDOMLY: direction of peristaltic pump depends on the mode of connection of positive and negative terminal which you can choose randomly. EASY TO USE: It has high accuracy and it is convenient to change pump pipe. AFTER SALE: Please feel free to contact us at first if there is any problem,and we are always here to support you., Weight: 0.1543235834 Pounds, Manufacturer: Garosa