via dei Giovi, 41 20032 Cormano (MI) - Italy t/f +39 0239310212 / 0266200473 [email protected] - www.blsgroup.com DISPOSABLE CUP SHAPED FILTERING FACEPIECES WITH ACTIVE SHIELD VALVE BLS Zer0 32 Active series smart filtering facepieces offer maximum protection combined with exceptional breathing comfort. Together with the Active Shield valve, this mask features above-average breathability performance (water vapour transmission ratio 3500 g/m2 * 24hrs). SMART EXHALATION VALVE Narvalo Active Shield is the innovative air extraction valve for FFP3 masks developed by Narvalo, a start-up and spin-off from Politecnico di Milano, with BLS and POLIHUB. This smart valve ensures optimal breathing comfort, thanks to an adaptive fan that reduces heat and humidity and extracts CO2 ensuring maximum freshness during use. BREATHING RESISTANCE Better than a P1 * tested by BLS Lab

via dei Giovi, 41 20032 Cormano (MI) - Italy t/f +39 0239310212 / 0266200473 [email protected] - www.blsgroup.com DISPOSABLE CUP SHAPED FILTERING FACEPIECES WITH ACTIVE SHIELD VALVE SMART VENTILATION The adaptive ventilation system extracts the CO2 produced during breathing by reducing heat and moisture retained inside the mask. Thanks to the pressure sensor, Narvalo Active Shiled modulates the fan speed according to the user’s breathing frequency, ensuring constant breathing comfort even during strenuous activities. LITHIUM BATTERY The lithium battery (800 mAh) gives the device up to 5 hours...

BLS SRL via dei Giovi, 41 20032 Cormano (MI) - Italy t/f +39 0239310212 / 0266200473 [email protected] - www.blsgroup.com ELASTICS ELASTIC HOLES REAR HOOKS NOSE CLIP GASKET FILTERING MATERIAL PROTECTIVE LAYER CARBON LAYER ACTIVE SHIELD Polyester (PES) and rubber Polypropylene (PP) Reinforced Polypropylene (PP) with heat treated metal Foamed polymer coupled with polyester textile (PES) Polypropylene (PP) Polyester (PES) + carbons ABS/Polycarbonate (PC) AH components in direct contact with user's face are LATEX FREE PRODUCT CODE CLASS of PROTECTION FPN CARBON LAYER ELASTICS GASKET SINGLE PACK BLS...

BLS SRL via dei Giovi, 41 20032 Cormano (MI) - Italy t/f +39 0239310212 / 0266200473 [email protected] - www.blsgroup.com Narvalo Active Shield 5-slot Active Shield Battery Charger BLS Zer0 32 Active filter facepieces have been certified in combination with Narvalo Active Shield valve. PROTECTIVE LAYER _ ALL MODELS • The external protective layer makes the facepiece durable and suitable for handling in highly contaminated environments (i.e. use of gloves) CARBON LAYER _ BLS Zer0 32 C Active • Able to block organic and acid gases and vapours with concentrations lower that the TLV • Ideal for operations...