... 3.function:filter,construction 4.professional factory,low price Expanded metal,Expanded Metal MeshThickness: 0.3 to 9mm Long way of ... 4.General Use:Used in agriculture, industry, fencing, outdoor furniture, speaker grills, machine and window guards, shelving and racks ... , buildings; also protection of machines, electrical appliances, windows.Expanded metal mesh :long way is 3-200mm ,short way is 3- ...