Accessibility Icon
Search icon.Shopping cart icon.

Atmosphere-Supplying Respirator No. 3: Combination Respirators

The third atmosphere-supplying respirator is the combination respirator. Combination respirators have an "auxiliary self-contained air supply." This is for use if the primary respiratory system fails. They are often used to enter confined spaces and in atmospheres which are (or might be) immediately dangerous to life and health (IDLH).

As it only needs to supply enough air to escape a dangerous area, the self-contained portion is typically small.

To learn more about HAZWOPER visit our HAZWOPER 40 Hour Online Training web page.

THE BEST ONLINE TRAINING EXPERIENCE POSSIBLE

Fast

Your time is valuable. We've designed our site to be as fast as possible.

Easy to use

You'll never get lost or confused with us.

Immediate Access

There's no waiting period. Begin the course as soon as you sign up.

Anywhere Anytime

Internet connection and a computer, tablet, or smartphone.

Up to date

We update our courses as soon as new regulations come out.