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| Industrial Scientific VTS-K5132111111 Ventis® MX4 LEL (Pent), SO2, CO, O2LEL (Pent), SO2, CO, O2, English, Orange | 
| Industrial Scientific VTS-K5132111111 Ventis® MX4 LEL (Pent), SO2, CO, O2LEL (Pent), SO2, CO, O2, English, Orange |