20 mm Crimp Top with PTFE/Silicone Sep
Perkin Elmer 20 mm Crimp Top with PTFE/Silicone Sep; 20 mm Crimp Top with PTFE/Silicone Septa - Ultra Bleed Pressure Release (1000/pack) - PE
Perkin Elmer 20 mm Crimp Top with PTFE/Silicone Sep; 20 mm Crimp Top with PTFE/Silicone Septa - Ultra Bleed Pressure Release (1000/pack) - PE