... breathing resistance, high filtration efficiency for dust and pollen 3D face mask, ear-loop for easy use.it has bigger ... mouth and nose, supply better filtration efficiency for dust and pollen, especially design for Japan market.Characteristic:1. size: 12.5X11 ... Breathable No stimulus to human skin Filter pollen, dust and bacteria7. use for: clinical, housework, gardening, maintenance of the machine ...