This 10pcs set features seamless rotation technology to kinking and twisting during medical procedures Made from ABS with 4.5mm inner diameter for smoothly oxygen in hospital and clinical setting Fast connects design allows for setup without tool, enabling fast response Healthcare professional can easily install these rotating adapters Designed to work with standard and tubing parts (4.5mm innner diameter), providing versatile connectivity for various healthcare equipment Perfect for teaching demonstrations, lab research, and clinical applications Crafted from ABS for excellent wear resistance Ideal for frequent use in medical environments, these connectors maintain durability through repeated adjustments and connection Engineered with precisely rotating joint that maintain stable connection while allowing flexible movement Prevents accidental disconnections ensures patient safetys, Manufacturer: uikios