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| GX-2012, 72-0290-11-D, 2 sensor, LEL / % volume CH4 Li-Ion battery pack only with 12 VDC charger by RKI Instruments | 
| GX-2012, 72-0290-11-D, 2 sensor, LEL / % volume CH4 Li-Ion battery pack only with 12 VDC charger by RKI Instruments |