The Pfeiffer Vacuum Duo 2.5 is a robust vacuum pump designed for reliable performance in laboratory and industrial applications. Manufactured in 2010, this model offers efficient vacuum generation with a maximum pumping speed of 2.9 m³/h and a maximum rotational speed of 3600 1/min. It operates on 220-240 V at both 50 Hz and 60 Hz frequencies, making it versatile for various power standards.