The mask is designed to filter the air during breathing in order to provide a barrier to the transmission of infectious agents, droplets and particles, both from the mask wearer to other people and to protect the upper respiratory tract of the mask wearer from infectious agents, droplets and particles transmitted by airborne droplets
أخبرنا بما تحتاجه واحصل على عروض أسعار من موردين موثوقين