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