Quantitatively fit test elastomeric respirators with the PortaCount® Plus Respirator Fit Tester from TSI. The OSHA-compliant test replaces Bitrex, saccharin, banana oil, and irritant smoke methods. With the optional N95-Companion™, the PortaCount® Plus allows fit testing of class-95 disposable respirators as well. Included software automates fit testing and maintains records. TSI, Inc., St. Paul, MN.