It is designed for use with hazardous waste containers, ensuring safe and efficient waste management. It features a freely movable PTFE insert for connecting capillaries with outer diameters of 1.6, 2.2, or 3.2 mm, and hose olives for tubing with inner diameters from 5.5 to 8 mm. The cap includes multiple connections, 4x UNF 1/4", 1x GL14 (for attaching a b.safe exhaust air filter, not included), and 1x NPT 1/8", making it highly versatile and compatible with a wide range of containers. A permanently mounted 400 mm cable connects to the b.safe display for electronic fill-level monitoring, while a red indicator pin allows for visual level checks to reduce the risk of overfilling and ensure compliance with safety regulations in laboratories and industrial environments.