Uxcell 5-Piece Aquarium Cross Shaped Oxygen Tube Air Valve Set， White</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Air Valve; Type : Medium</li><li>Used for : Aquarium， Fish Tank; Type : Cross Shape</li><li>Color : White; Material : Plastic</li><li>Hole Outer Diameter : 5.4mm/0.21";Overall Size : 52 x 52 x 6.5mm/2" x 2" x 0.26" (L*W*Mad)</li><li>Weight : 9g;Package Contents : 5 Pcs × Air Valve</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/21t%2Bbi07rCL.jpg' noproxy></br>