New D-Systems respiratory airline panels from GfG Instrumentation are compact, durable and available in both wall-mounted and portable versions, up to 100 cfm. Designed around the company's newest Respiratory Airline Monitor, the AutoCal RAM-744, D-Systems feature a 9v battery-operated, inline, AutoCal carbon monoxide monitor for compressor-supplied breathing air. GfG Instrumentation, Inc., Ann Arbor, MI.

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