A vial equipped with a 13mm cap with a septum is used as a sample vial, and a vial equipped with a diffusion cap is used as a washing vial. These sample vials can also be used as storage vials. The thread is precisely machined to ensure sealing at all times. It can be matched with the matching 13mm black and white opening, solid cover and various septa.
More 13-425 screw vial