Iso9001 blue screw cap reagent bottle 500ml Duran-Lab Clear Glass Reagent Bottle with blue GL45 standard screw cap. Common bottle sizes include 100 ml, 250 ml, 500 ml, 1000 ml (1 Tel: +8618057059123 Email:market@aijirenvial.com Home Products 1-4mL Autosampler Vials for HPLC, UPLC, GC 16mm, 25mm Test Tubes for Water Analysis