●Ring head belt design,more durable of Polyester spandex elastic belt;

●Advanced composite material,comfortable and soft,good oil  resistance,anti-aging,suitable for wearing long time;

● clasp model,the model can be connected with a filter box or a filter cotton socket to be used as a protective poison gas mask or a protective dust mask.

●In line with 2890-2009 standard and GB 2626-2006 standard,have China LA and QS certification.

●Package:1pcs/bag,6pcs/box,36pcs/ctn