Screw Thread Top: 8mm/9mm neck, clear/amber options, pre-slit PTFE/silicone septa, autosampler compatible
Snap Top: 11mm neck, quick-seal design, clear/amber options
Crimp Top: 11mm neck, graduated markings, ideal for precision experiments
Compatibility: Works with Agilent, Shimadzu, Thermo Fisher instruments
Advantages: ISO9001:2015 certified, 50% cheaper than brand-name alternatives, customizable packaging