3M Versaflo TR-302E+ Powered Air Turbo for applications involving dust and mist hazards. The 3M Versaflo TR-300+ system combines performance, protection and functionality with modern, stylish, lightweight design and unrivalled comfort. Combines with 3M Versaflo components to build a complete system, Respiratory protection against dusts, mists, fumes and other particulate hazards, and nuisance-level organic vapour and acid gas, Versatile and easy-to use, Slim, lightweight, and well-balanced so It is comfortable to wear for long work shifts, Choice of selectable flow rates: 185 l/min and 205 l/min, Audible and visual alarms to signal low airflow and low battery charge, Intelligent lithium-ion battery quickly charges, has no memory effect, and features a charge status indicator, Two battery options available: standard battery (5-6 hours) and high-capacity battery (10-12 hours), Easy to adjust and maintain.