There have chip built-in this tube. Use different specification in different situations. All of our specifications as below: 3.0*15mm 4.0*15mm 4.0*22mm 4.0*34mm.The type of them are SMC-PT1343015 SMC-PT1344015 SMC-PT1344015 SMC-PT1344022 SMC-PT1344034
Plastic tube