Scott's Proflow 3 Powered Air Purifying Respirator is designed for use in domestic preparedness environments that require a dependable, powered air-purifying respirator. The Proflow 3's sleek, low profile will not hinder entries and exits when dealing with harmul environments. The position of the filters makes it ideal for decon operations. This respirator forces ambient air through air-purifying cartridges and into the user's facepiece. Designed for use in a variety of working environments, the Proflow 3 is heavy-duty, but lightweight and comfortable. The unti automatically adjusts power as filter loading occurs. The constant, balanced air supply virtually eliminates any breathing resistance regardless of the cartiridge type employed. This makes Proflow 3 an ideal respirator for long duration operations or those requiring heavy exertion.