Premium Borosilicate Glass Sleeve for Pen Syringes Cartridge
High-quality borosilicate glass ensures superior chemical resistance and thermal stability, ideal for pharmaceutical applications. Precisely designed in 1.5ml, 1.8ml, and 3ml sizes to fit standard pen syringes. Includes a durable rubber stopper and secure aluminum cap for leak-proof sealing and long-term sterility. Perfect for insulin, vaccines, and precision liquid dosing in medical and lab settings. Globally compliant with pharmaceutical standards, ensuring safety and reliability. Bulk sourcing available at unbeatable wholesale prices for clinics, pharmacies, and distributors.