Borosil Adapter Receiver Straight With Vacuum, Socket Joint Size 14/23, 8838714, Adaptors are useful volume-handling laboratory tools. They are used for easy and safe handling and transferring of liquids from one container to another. They are usually fitted onto the mouth of other glassware such as bottles and flasks and allow users to transfer liquids. Adapter Receiver Straight Socket to Rubber is a product from Borosil. These adaptors are compatible with several other glassware such as flasks and condensers and can be used in a flexible manner depending on the needs of the user.