It is a precision liquid dispensing instrument crafted from high-quality polypropylene (PP) for excellent chemical resistance and long-term durability. This bottle-top dispenser is designed without a bottle, making it suitable for specialized applications that require compatibility with various container types. It features a precisely ground glass piston for smooth and accurate operation with both aqueous and organic liquids that do not affect polypropylene. Built to meet the highest laboratory standards, this dispenser ensures consistent performance and reliability.