60961B series has open-top, white polypropylene, screw thread closures with PTFE-faced 14B white rubber septa attached
· 60961C series has open-top, white polypropylene, screw thread closures with PTFE-faced (0.005”) silicone rubber (0.120”) septa attached
· While vials are not "pre-cleaned," they are packaged in a plastic shrink wrap module, lehr-clean, as they come from the end of the production lehr and then are placed into a corrugated shelf-pack
· Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements