Manufactured for accurate and rapid fluid dispensing. It is sterile, pyrogen-free, cotton plugged, and can be used for a variety of liquid handling applications. The reservoir eliminates the need for multiple reagent containers and saves bench top space. - Easy to use - Medical grade original Polystyrene - RNase- free, DNase- free and Non-pyrogenic - Seven types of volume 1ml, 2ml, 5ml, 10ml, 25ml, 50ml and 100ml