Male Hollow Stopper

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 customers: All units are inspected for broken glassware or parts before leaving BVV™. If the unit arrives damaged (this does not include minor imperfections or scuffs in glassware), the customer MUST contact BVV™ within 72 hours from carrier delivery to file a claim. If the customer DOES NOT contact BVV™ within 72 hours from carrier delivery, then BVV™ cannot issue any replacement(s) or compensation for the item; a new purchase will need to be made for a replacement. 

**Glassware Safety Disclaimer: BVV™ is not responsible for failure of glassware which must be inspected before and after every use because it may eventually develop imperfections or damage through normal usage, mishandling, and stress caused by temperature variations. If an imperfection or damage is noted while inspecting the glassware DO NOT use the glassware because it can fail causing bodily harm or damage to the surrounding area.**