Código Interno: PRO13063 Actualizado: 2024-02-16 Nro Parte: GP-AL50-PRO13063Calibration Gases for analyzer, gas detector and laboratory applicationBrand: Marca: INTRIAL(made in USA)Gas Mix combination: Carbon Monoxide (CO) 300 ppm, Oxide Nitrogen (NOx) 500 ppm, Sulfur Dioxide (SO2) 100 ppm in Nitrogen Balance