20 mm Crimp Top with PTFE/Silicone Sep
Perkin Elmer 20 mm Crimp Top with PTFE/Silicone Sep; PerkinElmer closures are manufactured to specific tolerances that are guaranteed to fit and perform with PerkinElmer and non-PerkinElmer instruments. I. D. : 20 mm Finish: Crimp Top Cap with Septa Description: PTFE/Silicone with Aluminum Cap (silver) - PE