网页ND9mm Screw Thread Autosampler Clear Lab Vials are made of clear Type 1, Class A Borosilicate Glass with a writable label for sample 100PCS 9-425 Screw Thread Vial Caps 9mm PTFE/Silicone Septa Item Information · (100PCS)2ml Autosampler Vials+Caps Clear Glass Bottle 9-425 Screw PTFE/Silicone · 100pcs Sample Vial Insert Glass Tube Micro