MSA Altair 4XR is a rugged, field-ready 4-gas detector configured for LEL, O₂, CO, H₂S. It has been professionally inspected and calibrated by a certified technician, ensuring accurate readings and dependable operation.

• ✔️ Configuration: LEL, Oxygen (O₂), Carbon Monoxide (CO), Hydrogen Sulfide (H₂S)

• ✔️ Calibration Verified for Precision (Certificate Included)

• ✔️ Includes Charger 

• ✔️ Firmware Updated | Clean Display | Responsive Interface

• ✔️ Minor cosmetic wear consistent with previous professional use

Multiple instruments available being sold each.

Backed by free 30-day returns and supported by eBay International Shipping for global reliability. Ideal for industrial environments, confined space entry, or technical teams needing quick deployment.