Manufactures a patented line of high-efficiency modular benchtop air purifier devices. Used for industrial sources of smoke, vapor, fumes and dust.Air Purification Systems, Ductless Hoods & Fume Extractors Industrial Air Cleaners - Activated Carbon Filter & Hepa Filter Systems by Sentry Air Systems You must have the flash player to view this photo. Sentry Air Systems, Inc. 800-799-4609 Air Cleaners with HEPA filters and Activated Carbon filters to provide Air Purification in Laboratory, Pharmaceutical, Medical, Manufacturing and Industrial facilities. Typical Applications Include: Electronics