Why Vacuum Adapters Are Important for Your Distillation Tool Vacuum Adapters Straight are a significant component of laboratory apparatus, constructed to form an airtight connection between glassware and vacuum systems. Their straight shape ensures a dependable and sealed connection, aiding in the maintenance of vacuum system function. Providing a direct link, these adapters prevent air leaks or contamination while in use, which is paramount in efficient vacuum operations. Vacuum Receiver Adapters Straight - Socket & Cone Joint 24/29 Material: Borosilicate Glass 3.3 Packing: Price/Pc Item Code Socket Size Cone Size Pcs/Pk. 15.00.0631.ST 14/23 14/23 1 15.00.0632.ST 19/26 19/26 1 15.00.0633.ST 24/29 24/29 1 15.00.0634.ST 34/35 34/35 1 15.00.0635.ST 24/40 24/40 1