Vial Kit: 2mL Clear Glass Vial, 9-425 Blue Polypropylene Screw Cap with 0.040" Bonded PTFE/Silicone Septa, 100/pk — Sciencix
P.K. GLASS | Hialeah FL
HOME | Pkglass
Large Capillary Tubes 100 mm x 1.3-1.5 mm ID 1.6-1.8 mm OD 140/pk Glass Micro Pipettes Both Ends Open AAdvance Instruments: Amazon.com: Industrial & Scientific
Grade A-E 47mm Glass Fiber Filter | Zefon International
Mystery mark "PK." - Franz Pallme Koenig Steinschönau | Collectors Weekly