SMART 235 ET (MCH-13/16 Series STANDARD) air filling pumps are designed and manufactured by AEROTECNICA COLTRI, Italy, a famous European manufacturer specialising in submersible equipment and compressed air filling pumps. The products have passed the latest European Union CE certification, in line with 2006/42/CE, 2004/108/CE, EN 12100, EN ISO 13857, EN 60204-1, EN 61000-6-2, EN 61000-6-4, 92/59/CEE, 85/374/CEE and other mechanical engineering standards, electrical standards, noise standards. The output of high pressure breathing air meets the EU EN12021 air quality standard.

This series of ordinary type is equipped with all-steel chassis and half-open shield, and the two sides of the shield are equipped with handles, so that two people can move easily.