Water Pipe Holder Fish For Mounting Clips Aquarium Tube Clamp Hose Holders Clip For Inlet Outlet Features of materials.Suitable for all kinds of fish for 0-52mm thick).Can with water pipe that outside diameter for 16mm and inside diameter for 12mm.Can be stretchable and convenient to install.Not easy to fall out and Convenient for fish for Specifications AcrylicType: StretchableColor: As pictures shownSize: SizeLength: 8.5cm(3.35in)Width: 4.5cm(1.77in)Height: 6.5cm(2.56in)Package Includes:1 x Water Pipe ConnectorNote:1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!