It is suitable for users to use during non-invasive operations, covering the user's mouth, nose and jaw, and providing a certain physical barrier to prevent direct penetration of microorganisms and particles.
Product description1.0.5ml,1ml,3ml,5ml,10ml2. With Automatic Retractable Needle 3. Unit Packing: PE /BlisterPlease read more,attached video shown how to use such syringe