O.D. pneumatic tubing is the current standard in pneumatics. In this category, you will find suitable tubing for all current fittings - For standard O.D. tubing, the outside diameter of the tube is specified as the tube size. - All different type of tubing with different material according to specific requirement are available. - FESTO Standard Pneumatic Tubing - FESTO Spiral Tubing - FESTO Pneumatic Piping Systems