Funnel N Varibor 250ml ( 1 In Case)

Details:

Series incorporates the use of kontes ptfe “varibor” metering plug 821111; turning the adjusting knob allows control of flow rate from dropwise to full flow, which facilitates reproducible addition rates, standard taper joint at the top; standard taper joint with drip tip at the bottom, manufactured from 33 expansion, low extractable borosilicate glass conforming to usp type i and astm e438, type i, class a requirements