20 mL EPA\/TOC izitsha zesampula ezijwayelekile ezihlanganiswe ngaphambilini ne-PTFE\/silicone composite septa. Itholakala engilazini ecacile noma e-amber; amamodeli akhethiwe afaka izigqoko zothuli ukusiza ukunciphisa ukungcoliswa kwangaphandle, ukuhlinzeka ngophawu oluthembekile lokuhlaziywa kwekhabhoni ephilayo ehlanzekile kakhulu.