Features? Compatible with 3M Eyewear and 3M Hearing protection (Z3AF/2 Helmet clip required, sold separately) Use filters to help protect against particulates or combination filters to help protect against certain gases and vapours Rugged, durable faceshield with premium visor helps protect against sparks and debris Heavy-duty belt designed with airflow channels and multiple size adjustments Intuitive, coloured touchpoints plus visual and audible lowflow indicators help make the TR-600 easy to use Multi-speed powered air turbo with a battery that offers long run time, less charge time and, ultimately, reduced down time What's in the box? M-307 Helmet with Premium Visor and Faceseal TR-602E Powered Air Turbo TR-632 High Capacity Battery BT-30 Length Adjusting Breathing Tube TR-626 High Durability Belt TR-6310E (A2P) Filter TR-6300FC Filter Cover TR-641E Single Station Battery Charger Kit TR-971 Airflow Indicator BT-926 High Temperature Breathing Tube Cover TR-6600 Prefilter (x2)