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Cartridge Components

Cartridge component processing can be a source of risk and variability, especially for loose particulate and silicone oil that can compromise quality and put patients at risk.

West offers:

Westar® RU Cartridge
Plunger and,
Lined Seals

Patient needs are
evolving and cartridge  components need to support
safe self-administration,
dose accuracy, and ease of use with a device.


sterilization process
at West that offers
lower levels of
potential extractables,
improved functionality,
and streamlines



















Westar®​ is a registered trademark of West Pharmaceutical Services, Inc., in the United States and other jurisdictions.