VIV Glass Violet Outflow Pipe 10mm: http://goo.gl/NT5qfJ
The VIV Mini Violet pipe outflow creates great oxygen exchange while agitating the water surface and moderate circulation within the aquarium. You can lower or rise your Mini Violet Outflow pipe for your ideal aquascape.
Made from high quality glass, the VIV Mini Lily pipe outflow creates an elegant looking experience while still being completely functional for your aquascape.
VIV Mini Violet pipe outflow 10mm is a glass output pipe suitable for external canister filters with a hose diameter of 10mm (approx. 3/8" ID). The 10mm pipe is suitable for an aquarium of 15 gallons or less.