Swiss air is a ventilated half-mask made of flame-retardant material that covers the mouth and nose area. This TH3-certified blower breathing protection system provides respiratory protection of the highest class and ensures no passage for aerosols, smoke, particles, or viruses. The revolutionary PAPR system from Optrel TH3 certified particle master filter Steplessly adjustable air flow 100-130 l/min 14 h power pack Automatic altitude and temperature compensation Breath supporting No fit test necessary What's Included Swiss air system control panel comfort mask with head & neck strap blower/filter unit 14 hour battery shoulder harness charger and bag Technical data Protection class: TH3 (EN12941) Blower unit Air flow Level 1: min. 100 l/min.Level 2: min. 115 l/min.Level 3: min. 130 l/min.All levels with automatic air flow control (levels are adjusted directly on the blower and can be steplessly adjusted via the Control Panel at the front). Material: PA66 GF30 Fan: high quality motor with ball bearings Fuse: electronical Noise: max. 70db (A) Alarm: Visual (with swiss air control panel) and audible for low / very low battery level, clogged filter,no filter and low air flow.Low battery: alarm frequency 3.0 s (1.5 s on, 1.5 s off)Filter: alarm frequency 0.5 s (0.25 s on, 0.25 s off) Dimensions: (L x W x H): 250 x 170 x 50 mm Weight: Blower unit 550 g / Overall system 1,200 g Control Panel Indication and adjustment options- Overview of filter contamination and battery charge status- stepless air flow control and on/off switch- altitude and temperature compensation Connection: Operating cable with jack plug and cable protection Half-mask Material: POM, ripstop textile (98% polyester and 2% polyurethanes), flame-retardantPolyurethane foam Valve: Exhalation valve with silicone membrane Certificates Standards: EN 12941 Europe: TH3; Australia: P3; AS/NZS 1716; EAC TP TC 019/2011 Notified body: CE 1024