MBV MAS-100 CG EX air sampling system with sampling heads and explosion-proof kit. A compressed-gas microbial air sampler used for monitoring sterile and hazardous-area environments in pharmaceutical and cleanroom settings. The Ex-rated configuration allows use in potentially explosive atmospheres. CONDITION: Used, in good working condition. Powered on and functionally checked prior to listing. Please review all photos, which show the actual item you will receive and form part of this description. SHIPPING: Ships promptly and carefully packed from Salt Lake City, UT. Local pickup available. Please message with any questions before purchasing — I'm happy to provide additional photos or details.