Respiratory protection equipment with electric fan for nanomaterial protection, battery and charger included, BL-700U-03, 1 piece

For work involving handling nanomaterials. It comes with a voice transmitter that allows you to talk while wearing the mask. An alarm lamp will let you know when it's time to replace the filter and charge the battery. The airflow follows your breathing perfectly, eliminating the discomfort of wearing a mask. Set contents: Main unit, filter x 1 (BRD-8U), dedicated lithium-ion secondary battery (with case and cover), charger Working strength: For heavy work Filter particle collection efficiency: 99.999% or more (JIST8157-2009 grade PL100) Leakage rate classification: S class (0.1% or less) Face contact material: Natural rubber Power supply: Dedicated lithium-ion secondary battery 7.4V 1620mAh (continuous use/nominal operating time 7.5 hours or more, charging/approximately 3 hours) Weight: Facepiece/591g, Battery case/75g or less