4031/45 Westar® Select Stoppers for Animal Health

Optimized for the most challenging performance requirements in the Animal Health industry, our 4031/45 stoppers demonstrate excellent multi-puncture performance with 16G and 18G needles.

Meeting the challenges of Animal Health

• Excellent Multi-Puncture Capabilities with 16 Gauge Needles
• Robust Extractables Characterization for Risk Assessment
• Suitable for Steam and Gamma Sterilization

Westar® Select quality allows you to protect your drug product as Animal Health regulations continue to evolve. Our 4031/45 components have demonstrated container closure integrity to safeguard drug sterility.

Address the Dynamic Regulatory Environment

• USP, EP and JP Complaint
• Dedicated Technical and Regulatory Support
• Streamlined DMFs Covering Formulation, Wash Process and Sterilization process

• Full Commercial Availability of Widely Used Design
• West Analytical Lab Services