It is engineered for secure and efficient solvent waste disposal in laboratories utilizing Nalgene bottles. This cap features four PFA fittings compatible with 1.6/2.3/3.2 mm OD tubing and one leak-proof olive suitable for 6.4 mm ID tubing, ensuring safe and leak-free connections. Constructed from high-quality PTFE, it offers exceptional chemical resistance, making it ideal for handling aggressive solvents. The cap includes a GL14 connection for an exhaust filter, facilitating safe pressure equalization and minimizing solvent vapors in the workspace.