9mm HPLC Vials (2ml automatic sample vials), Φ.6*32mm, bottle mouth diameter 9mm, red PTFE/white silicone bottle gasket, blue perforated polypropylene (PP) bottle cap. NO.9mm HPLC Vials Factory Brand: aijiren Vial Color: Amber and Clear Capacity Recommend: .5ml Standard 2ml Certification: ISO900, SGS, COA Application: Lab consumables for