Simple Starter Kit with all components 2 optional flow rates (185 l/min and 205 l/min) offer greater user comfort The use is simple and versatile. Unit for environments where particles occur Highly efficient filter captures hazardous dust, mist, and smoke Thin, lightweight balanced design for greater user comfort Intelligent lithium-ion battery charges quickly and is equipped with a useful charge indicator Low airflow or low battery status is signaled as well as battery charging. Also includes a particle filter load/status indicator and airflow indicator Easily adjustable and easy maintenance Battery charge indicator