The D1S2.8 120mcl Dosage aluminum cup One-inch Metered Dose Valve for Bottles, which is specially designed for bottles to meet the needs of precise liquid dispensing. The aluminum cap is made of high-quality materials to ensure its durability and good sealing performance, which can effectively prevent liquid leakage and ensure the safety and hygiene of the product. Its unique 120ml dosing valve design allows the preset dose of liquid to be accurately dispensed each time it is used, greatly improving the convenience and efficiency of use. Whether it is home use, medical care, or laboratory research, it can easily cope with and meet various needs of precise liquid dispensing.The one-inch valve interface can adapt to a variety of bottle specifications, making it convenient for users to select and replace according to actual needs. At the same time, it is easy to install and can be quickly installed without complex tools, greatly saving time and energy.