●Advanced liquid silicone:soft,comfortable,fit,long service time,high temperature resistance,anti-aging, long time to wear;

●Clasp structure,easy to replace filter box;

●Four valves design is NANHE patent,the resistance is lower 20% at least than imported products;

●Double exhale valves design on nose and mouth,to reduce hot air circulation,feel more comfortable. The top valve is hided,the bottom valve is protected by cover,hard to broke,easy to disassemble and clean;

●Ring head belt design is more suitable for wearing helmet on operating environment. Keep more durable of polyester spandex elastic belt ;

●With two boxes of P-A-1(3#), to prevent organic gas or steam,for example,benzene and it’s homologous ,aniline, gasoline, acetone, carbon disulfide, alcohols, ether, aldehyde, carbon tetrachloride, three potassium chloride, celfume, methyl chloride, nitrobenzene,  nitroalkane, chloropicrin;

●Anther,with anti dust filter cotton and filter cotton cover,especially to prevent paint mist;

●In line with GB 2890-2009 standard, have China LA & QS certification;

●Package:1set/bag,3set/box,18set/carton.