KN95 face mask is also called particulate respirator which is used as for peronal protective equipment. It can filter the dust, particle, frog, pollution, smelly air and other material in the air. People commonly use it for industry, factory, home, outsid
Direct Type FM200 Automatic Fire Suppression Systems for Electric Equipment 1. Product Description. Product Features. • Applied to the relatively closed space effectively; • Full automatic heating start, no electricity; • Simple installation and maintenan