INSPECTION AFTER EACH USE DATE CYLINDER CYLINDER FACEPIECE ENTIRE CLEANED CONNECTIONS REMARKS INSPECTED DATE USED PRESSURE CHANGED & BREATHING APPARATUS AND OK BY INSPECTED TUBE OK OK SANITIZED NOTE:  This check list is offered only as  a  general  guide  for  the  inspection and maintenance of the MSA Demand and    Pressure    Demand    Air    Masks. Under no circumstances should these    products    be    inspected    and maintained except by qualified, trained   personnel   and   not   until   the instructions, labels, or other literature accompanying the products have   been   carefully   read   and   the precautions    therein    set    forth    are followed.        Only    they    contain    the complete    and    detailed    Information concerning these products. 600 Penn Center Boulevard MSA Pittsburgh, Pa.  15235 USA Phone (412) 273-5000.- Telex 812453 Worldwide    service:    Branch    offices    throughout    the    United    States. Subsidiaries in: Amsterdam   Barcelona   Berlin   Calcutta   Glasgow   Johannesburg Lima Mexico City   Milan   Ndola  ·Paris   Santiago   Sao Paulo Singapore   Sydney   Tokyo  ·Toronto.  Representatives in principal cities throughout the world. 466052 Printed In U.S.A. H 289 (L) Rev. 3 Copyright 1980 Mine Safety Appliances Co.