Septa, PTFE/White Silicone, 8mm for 8-425, pk/100

14.5mm x 0.060" Red PTFE/Silicone Septa, pk/100

11mm Diameter Green XLB High Temp, Low Bleed Septa

GRIP STOPPERS FOR CENTRIFUGE TUBES, ROUND BOTTOM, LDPE (THG)