Serialized and Certified Volumetric Flask, Class A, Low Actinic Amber, Wide Mouth, With Glass Stopper, As Per USP Standards

These TLG Class A low actinic amber gauge flasks are manufactured to meet Class A tolerances. Low actinic amber glass provides protection for light sensitive solutions. All bottles are calibrated "To Contain" and have a white marking dot and meniscus line. They include a standard cone hollow glass stopper. Each bottle is individually serialized and certified to ASTM E288, E542 and E694, Class A, tolerances, traceable to international standards.