MSA PremAire Cadet Escape Supplied Respirator is designed to deliver respirable air to the user by maintaining a slight positive pressure of air inside the facepiece whether the user is inhaling or exhaling. Respirator includes medium rubber advantage 4000 facepiece, net head harness, aluminum cylinder with hansen fittings and nylon strap carrier. It prevents contaminants from entering the facepiece. It is ideal to use in a large, compressed air cylinder or a bank of cylinders that is set up in cascade fashion and in the NIOSH-approved pressure range. It has a streamlined design that provides a first-stage regulator and cylinder valve within one assembly creating a very small size and profile that helps when working in tight places. It can be used in applications such as construction, nuclear, oil/gas, sanding/grinding, spray painting and welding.