DescriptionThis item is hydro-dynamically designed to create a moderate water current. Keep the water flow rate stable, dissolve more oxygen in water effectively. The shape of the inflow and outflow sections can gently slowdown water flow speed, prevent water flooding.Features- Color: Transparent. - Material: Glass. - Size: 18.5x 5 x 1.5 cm. - Hydro-dynamically designed to create a moderate water current. - Glass transparency will visual beauty of the aquarium. - Made of quality glass, can resist corrosion. - The shape of the inflow and outflow sections can gently slowdown water flow speed, prevent water flooding. - Make it a better living environment for your aquatic plants. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!