Thermo Scientific 50 mL Empty Centrifuge Tubes for QuEChERS, Blue Screw Cap, 500/Pk., Base Material: Polypropylene, Description: Empty Centrifuge Tubes for QuEChERS, For Use With (Application): QuEChERS, Type: QuEChERS Sample Prep, Volume (Metric): 5
Caplugs (Evergreen Scientific) 15mL Conical Polypropylene Centrifuge Tubes, Packaging: Bag, Sterile, Capacity: 0.507 oz., 15mL, Graduations: 0.1mL from 0 to 1mL, 0.5mL from 1 to 5mL, 1mL from 5 to 15mL, PP (Polypropylene), No. per Pack: 25, Closure C