Profile: PureAire Monitoring Systems is a manufacturer of environmental gas monitoring systems. We offer various types of monitors like ammonia gas monitors, benzene gas monitors and methane gas monitors. Our AirCheck Advantage EX - Benzene is a compact, extractive continuous gas monitoring system designed to monitor in hazardous areas. It uses the proprietary disposable electrochemical sensor cell combined with a long life pyrolizer to provide extremely sensitive benzene monitoring. Our AirCheck Advantage EX - methyl bromide is a compact, extractive gas monitoring system, and is ideal for continuously and remotely monitoring fumigation chambers. It is used for fruit storage areas where access may be limited or undesirable, and features a long life pyrrolizer and sample pump.