Abstract: A portable positive air filtration device including a respiration component and a harness component. The harness component being connected with the respiration component so as to secure the respiration component against the face of a user and covering the mouth and nostril of the user. One or more fans or air-moving components, one or more filters and at least one power supply provide filtered air to the user at a positive pressure. In some examples, the device includes a mask housing, a filter, a fan and an electronics control system. One or more batteries are provided for powering the device. The electronic control system can be connected with an electronic device for real time monitoring and control.