[CHROMINEX] CRX2010-2016 20.2mm Open Top Aluminum Crimp Cap (pressure release) with Moulded Grey PTFE/Butyl Septa one ring 3mm Thick 100/pk Add to cart
[CHROMINEX] CRX2010-2015 PTFE/Silicone + Pressure Release Aluminium cap, for 6ml/ 10ml/20ml 20mm crimp top vial, 100/pk Add to cart