Features:1.Made of quality acrylic material, wear resistant, sturdy, durable for long time use.2.Can be fixed on the fish tank or filter-tank for fix water tube or soft tube, prevent water tube from falling off while using for change water.3.It also can be used for store soft pipe, make the fish tank to be organized and tidy.4.With screws to fix water tube, and the tube fixture was also fixed by screws, hard to slip down.5.Suitable for water tube diameter under 2.5cm. Specifications:Material: acrylicColor: TransparentDouble holes fixture size: Approx. 6*7.5*3.5cm/2.4*3*1.4inSingle holes fixture size: Approx. 6.4*4*4cm/2.5*1.6*1.6inHole diameter: Approx. 2.5cm/1inOptions: single hole fixture, double holes fixturePackage IncludingPacking List:1*Water tube fixture(accessory color is random.)