NOSCF2401S Features: -7600 Full Facepiece in two sizes (Small or Medium/Large) for CF2000 Supplied Air Respirator.. -FACEPIECE 7600 SZ SMALL W/(CF2007). -Facepiece, Interchangeable Breathing Tube, adjustable airflow valve and waist belt. Designed to rest comfortably out of the way, on the user's back. North 5400, 5500, 7600 and 7700 Series facepieces can be easily converted into a CF2000 Series Respirator without any modifications, tools or additional parts.. -It eliminates the need for a dedicated supplied air product, it reduces facepiece and spare parts inventories. Workers are able to function for long periods of time in toxic environments that are not immediately dangerous to life or health (IDLH). Simplifies the new OSHA requirements for fit testing of supplied air respirators. Conversion from positive to negative pressure is an easy as removing the Interchangeable Breathing Tube and putting on the correct cartridges or filters.. Product Type: -Respirator.