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MSA Altair® 4XR 10178557 Multi-Gas Detector, 0 to 100% Combustible Gas, 0 to 2000 ppm CO, 0 to 200 ppm H2S, 0 to 30% O2 - RENTAL - Premier Safety
Honeywell BW Clip Multi-Gas Portable Gas Detector portable gas detector:Industrial | Fisher Scientific
Scondaor Portable 4 Gas Detector Meter, 4 in 1 Multi Gas Monitor Tester with Digital LCD Display, Rechargeable Battery Powered, Voice Sound Light Shock Alarm (Orange) - - Amazon.com
4 Gas Monitor by Forensics | Built-in Pump Multi Gas Meter | O2, CO, H2S, LEL | Color Display & Graphing | USA NIST Calibration | Computer Data Logging | - - Amazon.com
Amazon.com: MSA Altair Detector de 4 x MULTIGAS 10107602 para LEL, Oxígeno, sulfuro de hidrógeno y monóxido de carbono con alerta de movimiento : Herramientas y Mejoras del Hogar