Profile: Colex International Ltd. is a manufacturer and exporter of hoses and tubes. Our medium duty suction hose is constructed of a rigid PVC spiral encased in flexible PVC. It is weather resistant, durable, lightweight and flexible. Minimum friction and maximum flow is maintained by the smooth bore. Polyethylene tubing is suitable for the conveyance of a wide range of substances. It forms a good barrier to gases, vapor and moisture. It is ideal for a wide variety of industrial applications.