Ace Glass 7533-28 Midget Bubbler with #7 Ace‑Thred Inlet/Outlet, Sintered Glass Filter Tube End, 30 mL (70-100 micron Porosity)

Used for sampling air volumes at low jet velocity. Bottle joint is 24/40. Stopper uses #7 "Ace-Safe" removable hose connections for easy connect/disconnect. Nozzle has sintered glass filter, Porosity B (70-100 micron). Bottle has encircling graduations from 0 to 30 mL in 5 mL divisions. Complete item supplied with connectors and bushings.