Designed to help protect wearers from airborne particulates – without compromising comfort or flexibility, especially in high-risk environments All-in-one respiratory protection Designed for on-the-job comfort, The SHIGEMATSU W07D2H1 provides everything you need to get started. The set comes with the designated filter, battery, and charger. Belts are adjustable for custom comfort. We've equipped our PAPRs with a user interface that alerts you when your battery is low or filter is loaded. Applications Appropriate for heavy metal-containing dust, thunder work, grinder work, agricultural chemical spraying work.