Class A Amber Volumetric Flask with PE Stopper and QR Code, 20mL, Borosilicate 3.3 Glass Sensors_Vernier Sensors this Class B borosilicate volumetric

this Class B borosilicate volumetric flask set ships with glass stoppers and ASTM-E288-compliant calibration marks

Fifteen-piece stainless steel scoop and spatula assortment spanning bench tasks from powder weighing to paste scraping

fastened by two wide-pad stainless steel thumb screws under heavy torsional load

built for classroom and professional laboratory storage

Class A Amber Volumetric Flask with PE Stopper and QR Code, 20mL, Borosilicate 3.3 Glass Sensors_Vernier Sensors this Class B borosilicate volumetricClass A amber volumetric flask in borosilicate glass holds 20mL with PE stopper for light sensitive reagent precision volumetric measurement.