The Aspirator Kit Double Valve can hold volume up to 60 mL with vacuum of 610-660mm (24-26 inches) Hg, and is made of latex-free plastic, individually-packaged and sterilized. It fits MedGyn’s flexible curettes sizes 4-12mm, and 6-12mm rigid curved and rigid straight curettes, and is ideal for uterine aspiration and evacuation in obstetric and gynecological procedures.