It is engineered for secure and versatile waste management in laboratory environments. Featuring a freely movable PTFE insert, this cap accommodates capillaries with outer diameters of 1.6, 2.2, and 3.2 mm, as well as hose olives for tubing with inner diameters of 5.5 to 8 mm. Made from durable polypropylene (PP), it provides excellent chemical resistance and reliable sealing for safe solvent waste disposal. The GL14 thread allows for attachment of a b.safe exhaust air filter (sold separately), enhancing filtration and safety in lab setups.