Filtering Half Mask U-2K for Effective Respiratory Protection

Filtering half-mask U-2K
It is designed to protect respiratory organs from various types of aerosols (dust, smoke, fog) present in the air at a concentration of no more than 200 mg/m3 and ambient temperature from -40 to +40 °?.
Half-mask consists of three layers: the outer layer of filtering polypropylene material with water-repellent properties or polyurethane foam, the middle layer - FPP-15, the inner layer - polyethylene film, in which two inhalation valves are mounted..