uxcell U Shaped Glass Tube Bend Clear for Aquarium Fish Tank Co2 Oxygen Tubing</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Color: Clear; Package Content: 1 x Glass Tube</li><li>Total Size: 47.5 x 7mm/1.87" x 0.28"(L*Max.D); Material: Glass</li><li>Product Name: Glass Tube; Net Weight: 12g</li><li>Inner Size: 15mm / 0.6"</li><li>Fit for: Aquarium Co2 or Oxygen Tubing</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31GGcxXJd9L.jpg' noproxy></br>