Supplied Air Respirator SystemsSystems offer respiratory protection and superior comfort in the most demanding work environments. To build a complete 3M supplied air system, choose 1 each from the following groups: type of headgear, breathing tubes, air control devices, supplied air hoses, and compressed air filter and regulator panel.NIOSH approvedFacepiece meets ANSI Z87.1-2003Compressed Air Filter and Regulator PanelRemove water, oil, and odors from normal plant compressed air.This item is restricted for international sale.Compressed Air Filter, With Regulating Panel