Suited to most industrial applications this general purpose mask is strong and durable. The ActivForm seal automatically adjusts to different face shapes and movements , reducing the need for multiple mask sizes. Strap and clip, hang the mask around the neck during breaks. Blue clip suitable for the food industry. Nose seal increases fit and comfort. DuraMesh for optimum shape retention and durability. ActivForm seal automatically adjusts to different face shapes. Ventex-valve reduces moisture and heat. EN149:2001 + A1:2009