| - Made of 25g/30g/40g polypropylene, non-woven face mask has high filtration efficiency and is ideal for hospital, dental, clean room, food preparation and industrial environments. - Standard colors are white/blue/green - Soft, lightweight, comfortable, odorless, latex free ear-loops, non-irritation to skin - Good air permeability - Single ply, 2 ply, 3 ply available - Packing: 50pcs/bag, 40bags/ctn  - Active carbon face mask is a special 4-ply design plated face mask loaded with active carbon pre-filter. - It can be used for the removal of a wide variety of contaminants, bad odor and organic air. - Packing: 50pcs/bag, 40bags/ctn |