The selection of a respirator can be confusing, but if we keep just four (4) things in mind we can at least determine if we can use an Air-Purifying Respirator (APR). These four things are:
The selection of a respirator can be confusing, but if we keep just four (4) things in mind we can at least determine if we can use an Air-Purifying Respirator (APR). These four things are: