Includes an Airflow Indicator (TR-971) and Spark Arrestor (TR-662 x2).
Comfortable Airflow - Three user selectable flow rates to maximise comfort. Controlled airflow delivers steady flow as battery discharges or filter loads with particulates.
Display shows battery charge status and particulate filter loading status during use. Charge status is also indicated by a useful LED display on the battery. Electronic audible, visual and vibratory alarm in case of low battery and/or low air flow. No u