Full face mask with a wide field of vision. One size fits all faces. Synthetic rubber face piece with wide internal seal for a tight fit and adjustable fasteners for the attachment of the harness. A silicon rubber version is also available for better comfort and easier decontamination. For use with dust, gas and combined filters with a threaded connector, which conforms to EN 148/1 and with air supply devices. Shoulder strap for support. Version for negative pressure.