It is specifically designed for Schott wide neck bottles, providing a secure and efficient solution for solvent extraction and waste management in laboratory environments. Equipped with three PFA fittings compatible with 1.6 mm, 2.3 mm, and 3.2 mm outer diameter tubing, this cap ensures versatile connectivity for various laboratory setups. Constructed from high-quality PTFE, it offers exceptional chemical resistance, making it suitable for handling aggressive solvents. The cap includes two blind plugs for unused ports, an integrated air valve for pressure equalization, and a change indicator to monitor filter saturation, enhancing laboratory safety and efficiency.