普通的
橡胶防毒面具，略有橡胶的异味，此款硅胶防毒半面具具有以下核心优势
★ 面罩主体硅胶材质，抗老化，防过敏，耐用，易清洗
★ 双盒旋转快速接口设计，方便，快捷
★ 双层硅胶反折边的构造，更有效提高密封性，采用双头箍带可调节挂职钩设计，佩带更加舒适
★ 内置传声装置，使您的信息传递更加清晰
★ 根据作业环境选择不同的滤毒盒
★ 本品符合GB2890-1995标准
The gas mask made by hige grade silica gelendure the aging,avoid allergy,durable ,easy to clean ;
Bouble square cartridges structure,convinent,fast;
Doubel-fold the silica gel structure,with an effective seal;A dual headphone with adjustable straps design,more comfortable to wearl
The unique audio device; allowing you to disseminate the messages more clearly.
According to the national LD29-1992,Gb2890-1995 standard.
