With stainless steel screws, rusts and resistant, can make sure the durability and stability of the product Widely used with equipment, liquid transmission, liquid sampling analysis, watering, liquid filling Designed with precisions workmanship, making it a replacement for old or damaged pumps The wheel frame have ball bearing, quiet and long service life Includes a card slot to deviation correction and pumps damage The peristaltic pumps have a large flows rate of 500ml / min, which is suitable for various fluid transportation situations, Manufacturer: Ahmany