*This product is suitable for landscaping rock scene in the cylinder， to create a suitable breeding short bream， cichlids and other water organisms. You can adjust the position of the outlet， to increase the effect of oxygen， the narrow outlet slightly upward adjustment can be satisfied with the flow of water.

Violet Glass creates water flow suitable for keeping fishes that prefer moderate water flow， such as cyprinids and characins in an aquatic plant layout. In addition， the outflow pipe provides aeration (original: produces an aerating effect) depending on its placement.