Hose Respirator with Natural Air Supply - PШ-20C for Breathing Protection

Hose gas mask model RIM (PSH-20S) with natural air supply is designed to protect the respiratory organs, eyes and face of a person from aerosols and vapours (gases) of any harmful substances present in the atmospheric air at their concentration not exceeding 2000 MAC, as well as for work in conditions of insufficient oxygen content in the working zone (less than 17% volumetric). The apparatus is recommended for use when performing short-term work in tanks, cisterns, wells and other isolated objects, with unknown air composition, as well as when the atmosphere is low-boiling low sorbing substances, such as carbon monoxide, methane, ethane, ethylene, acetylene, etc.