Nov 29, 2021 · China certified 10mL hach cod vials for water analysis manufacturer-glass sample vials China economical 10mL hach cod vials for water analysis open top septa closure exporter China-Aijiren HPLC Vials Catalog No 297-2414 is an open top cap without septum and can be used with Thermo Scientific loose septa with 24mm diameter.