3200-10-1 SO2 1000 ppm/Air (Sulfide dioxide)

All sales are final.  No returns or refunds available after purchase. 

Kits Include: 

• 1 Sample Gas Cylinder
• 1 Zero Gas Cylinder
• 1 Regulator and 1 Plastic Case

The calibration kits will endure 3 years of service and provide around 30 calibrations!