The 259.19SN-100 electronic part manufactured by PNEUMAT SYSTEM is an 8mm Flowmatik Polyurethane Construction Pneumatic Tubing. This tubing is designed for maximum flow rate and unrestricted air pressure. It consists of two layers of polyurethane inner tube with nylon outer protection. It is designed for a wide range of air pressure applications including robotics, CNC machines, pneumatic tools, and valves. It is highly resistant to abrasion, chemicals, ozone, weathering, and oil. It provides excellent flexibility, superior vibrational dampening characteristics, and low pressure drop characteristics.