CleanSpace PRO powered air purifying respirator (PAPR) designed for high protection, comfort and cost effectiveness; positive pressure and breath responsive respirator; positive pressure and breath responsive respirator; visual and Audible Alarms – 75dB(A) – at ear; peak air flow – 230L/min; automatic Switch-Off – 3 minutes after idle; weight (Power unit) – < 450g / 1 lb; AC Adaptor charger: Input range 100 – 240V; internal battery duration – UP to 14 hours (operating time is strongly affected by filter type, filter loading, mask seal, work rate, altitude, and other factors); output range 14.7V ± 5%; internal battery charging time < 2 hours (to 95%); the CleanSpace PRO (ROW and AU) is approved for use with both Half and Full Face Masks