Monitor de 4 gases (CO,O₂,H₂S,LEL) “Ventis MX4” con kit de calibración
UNTESTED Industrial Scientific Ventis MX4 Portable Gas Oxygen Meter Detector | eBay
Gastech - A Gas Detector Manufacturer - // VENTIS MX4 \\ The Ventis MX4 gas detector perfectly satisfies the need for a small, reliable multi-gas instrument to be used in a variety