Protective Half Face Mask, Without Filters, Blue

The DUO half face mask is a professional, durable, and decontaminable respiratory protective device designed for industrial and technical applications. It is intended for use when handling hazardous chemical substances, toxic gases, solvents, dust, and during spray painting operations. The mask is suitable for use in chemical and pharmaceutical companies, agriculture, and mineral grinding activities. The DUO half face mask is designed for exclusive use with Spasciani Series 2000 snap-in filter cartridges. The snap-in connection system allows the use of dedicated filter cartridges, which may be equipped with special prefilters to protect the filtering element from rapid clogging in environments with high dust concentrations. The mask does not come with filters, these must be purchased separately. The mask complies with EN 140 requirements. Measured inward leakage using NaCl is 0.35%, below the maximum permitted limit of 2%. The carbon dioxide content of the inhaled air is 0.23%, below the maximum permitted limit of 1%. Features: • Inhalation resistance: – 0.4 mbar at 25 × 2 l/min (standard maximum 2.0 mbar); – 0.2 mbar at 30 l/min (standard maximum 0.5 mbar); – 0.3 mbar at 95 l/min (standard maximum 1.3 mbar). • Exhalation resistance: – 1.2 mbar at 25 × 2 l/min (standard maximum 3.0 mbar). • Inward leakage (NaCl): 0.35 %; • Carbon dioxide content of inhaled air: 0.23 %. Materials: • Facepiece: TPE + PP; • Head straps: elastic polyester and rubber band; • Neck strap: molded polyethylene; • Exhalation membrane: rubber; • Snap-in connectors: impact- and solvent-resistant plastic material. Usage limitations: • Must not be used in environments with oxygen content below 17% by volume; • May only be used together with Spasciani Series 2000 filter cartridges; • Color: blue; • Weight: approximately 90 g.