Honeywell Survivair&reg; Opti-Fit Mask Mounted Medium 8 Hours PAPR System With Facepiece, Blower, Battery Charger, Power Cord, He Filter, Belt And Airflow Tester Honeywell Survivair Opti-Fit Mask Mounted Medium 8 Hours PAPR System With Facepiece, Blower, Battery Charger, Power Cord, He Filter, Belt And Airflow Tester facepiece, blower, battery charger, power cord, HE filter, belt and air flow tester