It is a high-quality screw cap designed for efficient and safe waste management in laboratory environments. It features a freely movable PTFE insert to ensure reliable sealing and connection of capillaries and hoses. The cap includes connections for 1x UNF1/4" (for capillaries with O.D. 1.6/2.2/3.2 mm), 1x GL14 thread for an optional b.safe exhaust air filter (filter not included), and 1x NPT1/8" hose connection suitable for tubing with an I.D. of 5.5 to 8 mm. The electronic fill-level control comes with a permanently mounted 400 mm cable for connection to the b.safe display, enabling real-time monitoring. Additionally, a red indicator pin provides visual fill-level status to prevent overflows and enhance laboratory safety.