Septum 13mm Gray Butyl 100 Pack

Product Description

This elastomeric vial closure is a 13 mm septum constructed from gray butyl rubber, supplied in a 100-count package. Designed for use with 13 mm open-top crimp seals and vials, the butyl material provides low gas and moisture vapor permeability with reliable resealing upon needle penetration. It is used for container closure of sterile injectable solutions, suspensions, and reconstituted compounded medications.