Código Interno: PRO24728 Actualizado: 2024-02-16 Model : GP-5ppmNO2-250ppmCO-N2Bal-116LCalibration Gases for analyzer, gas detector and laboratory applicationsBrand: Marca: INTRIAL(made in USA)Gas Mix combination: 5ppm Nitrogen Dioxide (NO2), 250 Carbon Monoxide (CO) in Air Balance