Cassette Vials Cap with Self-Healing Butyl Rubber,8 mm Aluminum Cartridge Cap for 1.5 ml /1.8 ml /3 ml /4 ml Insulin Vial

Size: DIAM 8 mm,Height 5 mm

Material：Made of aluminum, easy to crimp and remove

Universal Compatibility: The cover with self-healing butyl rubber seal ensures leak-proof, fit for 1.5 ml, 1.8 ml, 3 ml, and 4 ml insulin cartridge vials

Seal :Each 8 mm aluminum cap with a self-healing butyl rubber insert that automatically reseals after puncture, maintaining sterility and preventing medication contamination or evaporation

Value Package: Includes 50/100 pcs aluminum cartridge caps ,offering an economical and practical solution for use

2 colour options are available for the 8mm aluminium insulin bottle lid