100 Pieces Anti PM2.5 Activated Carbon Mask Filter Face Masks Insert 5 Layers Protective Filter Breathing Mouth Mask Filter for Outdoor Activities 4.9 x 3.1 Inches

描述

Filtration technology: made of activated carbon and non-woven melt-blown filter cloth, five-layer filter system effectively keep away from PM 2.5 and a range of airborne contaminants Abundant quantity: comes with 100 pieces activated carbon filter, usually recommend replacing the filter once a week, enough quantity for you to use for a long time Reasonable size: filters size measures approx. 12.5 x 8 cm/ 4.9 x 3.1 inches, compatible with most dust masks, easy to insert or replace the original one with no problem Good design: multiple protection to isolate dust, multi-layer folding, good ventilation, double your protection against nasty substances, gases and odors with an additional filter inserted into the inside of your pollution mask Wide applications: mouth mask filter anti airborne particles dust, seasonal allergies, smoke, pollution, ash, gardening pollen and so on, suit to most occasions