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Sentry 4 Inert Entry Life Support System: Perfect for Catalyst Handling, Petrochemicals, Emergency Rescue and Industrial Cleaning - PPE.ORG
Take a look at this category III (complex) respiratory protective equipment if you have clients or workers in catalyst handling, petrochemical and refinery work, emergency rescue services or industrial cleaning. The Sentry 4 Inert Entry Life Support System is one of the safest breathing systems in the world.