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System 700 comprises a powder coated steel rolled linear profile which simply clips into the carrier rail. Standard lengths of profile are 3000mm and standard width of 30mm with depths of 60mm and 80mm, longer continuous runs of profile can be achieved by using a splices to join profiles. System 700 is intended for projects requiring an aesthetic finish where tight budget control is a major factor. The system is ideally suited to expansive retail environments and other, similar high traffic areas requiring smoke extraction applications.