Ace Glass 7532-10 Midget Bubbler with Sintered Glass Filter Tube End, 25 mL (145-175 micron Porosity)

Identical to 7531-10 with the exception that the nozzle is replaced by a sintered glass filter, porosity A (145-175 microns). Used in determination of Acrolein: 4-Hexylresorcinol Method #1. Bottle has encircling graduations from 0 to 25 mL in 5 mL divisions.