Low breathing resistance with high filtration efficiency. Loaded polypropylene material without any toxic, irritating, stimulant, poison. Adjustable nosepiece and inner foam provide a custom seal for different facial sizes. Specially designed t... - Update: 2006-12-28

Low breathing resistance with high filtration efficiency. Loaded polypropylene material without any toxic, irritating, stimulant, poison. Adjustable nosepiece and inner foam provide a custom seal for different facial sizes. Easy-breathing exh... - Update: 2006-12-28