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Hollow glass penny head stoppers are made of high-quality borosilicate glass and are available in a range of standard taper joint sizes
Bottom Joint: 19/22
Vacuum or gas inlet adapter with a top outer joint and a bottom inner joint of the same size
a total length of 230 mm
An oil bubbler is commonly used in chemical laboratories to safely vent gases generated during reactions
Oil Bubblers Hirsch Funnel Hollow glass penny head stoppersA mineral oil bubbler is used in laboratory setups to safely vent gases generated during a reaction while preventing backflow of ambient air into the system. It allows excess gas to escape through the oil, providing a visual indication of gas flow and reaction activity, while helping protect the reaction from moisture and oxygen exposure. Made of borosilicate glass for excellent chemical durability and mechanical strength. Specifications: Catalog
