Safety Pack Erlenmeyer Flask Set, made of high quality, heavy duty, Material: borosilicate 3.3 glass, 3 narrow neck flasks 500, 1000 and 2000ml cap, Flasks feature white, printed grad and beaded rims, Uniform, thick walls provide excellent strength against breakage
Safety Pack Volumetric Flask Set, Class A, made of high quality, heavy duty, ASTM, Material: borosilicate 3.3 glass, Includes 50, 100 and 250ml cap, features a single white graduation mark and is fitted with a glass stopper, thick walls provide excellent strength
Safety Pack Erlenmeyer Flask Set, made of high quality, heavy duty, Material: borosilicate 3.3 glass, 3 narrow neck flasks 50, 100 and 250ml cap, Flasks feature white, printed grad and beaded rims, Uniform, thick walls provide excellent strength against breakage
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