Pipettes, Bulb Form, Class AS, One Mark, 40ml, Soda Glass

Pipettes, Bulb Form, One Mark, Class A, 20ml, Soda Glass.
They are available in two accuracy classes: Class A/AS and Class B.
The two.
classes differ in the accuracy of measurement with a Class A/AS being.
the highest accuracy, and class B is approximately half of a class A..
Class AS has the same high tolerances as Class A, but is designed to.
permit more rapid outflow on burettes and pipettes.
Class AS stands for Swift delivery