... *175MM 3.Package: 50pcs/box,40bags Our company is located in No.8 Heli Road Xiantao City, where is on the west ... , such as benzene, formaldehyde and other pernicious gases.4. Used in super stores, home, airports, hospitals, computer rooms, food industries, ... , such as benzene, formaldehyde and other pernicious gases.4. Used in super stores, home, airports, hospitals, computer rooms, food industries, ...