Male Hollow Stoppers are used for capping off or plugging a female join to prevent contamination or close off a port on a glassware system. These glass stoppers are hollow on the inside and require vacuum grease to create a seal when having 2 ground surfaces touching in a vacuum application.
Joint Sizes Available:
- 14/20 Ground Joint
- 24/40 Ground Joint
***Notice to Customer: All units are inspected for broken glass or parts before the unit is shipped. If unit arrives damaged or glass is broken (this does not include minor imperfections or scuffs in glassware), Customer MUST contact Best Value Vacs within 3 days of delivery to file a claim and receive a replacement part. If customer DOES NOT contact Best Value Vacs within 3 days of delivery responsibility for replacement parts falls on the customer and they must pay for replacement pieces.***