PAPR 2 : A Powered Air-Purifying Respirator is a positive pressure device that utilizes a blower and battery to force ambient air through cartridges and/or filters to the facepiece or hood
Grainger, Inc. (Maintenance, Repair and Operating MRO), Glossary of Safety Terms, IL, USA 2012. www.grainger.com/images/GlossaryofSafetyTermsPDF.p df, (IndS/Maint, Repr and Opr - Amer) {79}