Gas mask is made of high-quality silicone material, which is soft and durable, wear it for a long time without feeling uncomfortable. The Full face gasmask respirator system activelysucks in outside air throughthe built-in blower system, which is filtered and purifiedand then sent to the mask tomaintain a fresh breathingenvironment. The air pump has one RD40 connectors and you can install 40mm filters. Applicable Occasion: Carpentry Work Grinding Work Sawing Work Polishing Work Auto Mechanic Demolition Work Decoration Project Metal Cutting & Welding Suitable for production in cement factories, ceramics factories, shipyards, soldering, railway, metal smelting, interior renovation, stone processing, graffiti painting, wall art, powder processing, etc. Gas mask pack: 1 x Full Face Respirator Mask, 1 x Blower, 1 x 40mm Activated Carbon Filter, 1 x Charger, 2 x Gas Mask Hose. Powered Air PurifyingRespirator? – The Full face gasmask respirator system activelysucks in outside air throughthe built-in blower system, which is filtered and purifiedand then sent to the mask tomaintain a fresh breathingenvironment. High-efficiency filtratian system? – Full face gas mask respiratorsystem Equipped with advancedfiltration system, it caneffectively filter solidparticles, organic gases, providingal1-round protection. Easy to disassemble designallows for easy filterreplacement and cleaning, prolonging product life andensuring protection. Comfortable Wearing Experience? – PAPR gas mask Ergonomicdesign, is very portable and lightweight. The air pump can be fixed on the waist, so it will not affect the your work when used. 5 point head harness and headmesh cap design, flexiblerubber+mesh and lays smoothlybeneath head protection such ashoods or helmets. Ideal for long periods of use without sacrificing comfort or safety. Long-lasting Battery life? – The built-in battery system provides long-lasting power, The charging time is 3 hours and you could use it for 7 hours with the fully charged battery. Support to ensure that the fan continues to operate and maintains long-lasting protection. Gentle airflow puts you in control of your comfort. Satisfaction Service? The Package Includes 1x Full Face Respirator Mask, 1x 40mm Activated Carbon Filter, 1x Blower, 2x Air Supply Hose. Your satisfaction is our lifelong pursuit.