[CHROMINEX] CRX2000-1023 Red PTFE/white silicone septa/red PTFE,(three layer), for 2mL 9-425 screw top vial, 100/pk Add to cart
[CHROMINEX] CRX2000-1022 Red PTFE/White silicone septa for 2ml 9-425 screw top vial, 100/pk Add to cart
[CHROMINEX] CRX2000-1021 White PTFE/Red silicone septa for 2ml 9-425 screw top vial, 100/pk Add to cart