This SMC TIUB01BU-33 is a durable polyurethane tube designed for pneumatic applications. It offers reliable performance and is suitable for various industrial automation needs.The SMC TIUB01BU-33 is a polyurethane tube with a nominal inner diameter of 1/8 inch and a length of 33 meters. It is identified by the product number TIUB01BU-33 and falls under the TIU series of polyurethane tubing.