Klein Tools ET110 Carbon Monoxide CO Meter 1000 ppm Review

  • Posted on: 17 January 2019
  • By: Darrenn

Carbon monoxide (CO) is an odorless, colorless, and toxic gas which is a byproduct of incomplete combustion. For HVAC technicians who work on combustion equipment like furnaces, water heaters, and boilers as part of their job, CO is occupational hazard.