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Our Lab accessories are supplementary items designed to support and enhance laboratory work. Common examples include rubber stoppers, clamps, tubing, and stands, which are used to connect, secure, or stabilize laboratory equipment and setups. These accessories help ensure safe, efficient, and organized experimentation in scientific, educational, or research environments. This PTFE sleeve is used to fit between standard ground glass joints, improving the sealing and stability of the connection, suitable for laboratory experimental scenarios such as reaction, distillation, or vacuum systems Made of PTFE, offering excellent durability and reusability The sleeve fits 24/40 standard ground joints, can be directly used with common glassware for easy and quick assembly Approximately 1.0 mm wall thickness and 5 g weight, maximum use temperature of 250° 1-year limited manufacturer warranty Item Weight 0.159 ounces Manufacturer StonyLab Scientific Item model number B08QCQFGDT Product Dimensions 1.73 x 1.08 x 1.08 inches