**BUY NOW** | PORTACAL® Methane, CH4 calibration gas, by Gasco. Methane gas is a colorless, odorless, flammable gas. Methane is one of the most potent greenhouse gases and the leading component of natural gas. Methane can displace oxygen in confined spaces resulting in an oxygen-deficient atmosphere. It can be explosive at concentrations of 50,000 ppm or more.
Use PORTACAL® Methane calibration gas to be sure your gas detection instrumentation is functioning properly.