Features: Efficient 3 in 1, integrating filtration, oxygenation, and circulations to ensuring clear water quality. Low power consumption, energy-saving and environmental protecting; Quiet operations. Suitable for household use; Easy to install and maintain. Suitable for fish enthusiasts, from beginner to seasoned player, to meet different needs. Suitable for various household fish tanks, whether in the living room, bedroom, or office, it can easily blend in. Specifications: Color:Seven Elections Dimension:6x13.5cm/2.36×5.31in 7x17.6cm/2.75×6.92in 9.5x19.5cm/ 3.74×7.67in 10.8x29.2cm/4.25×11.49in 37.5x11cm/4.33×14.76in 12x48.5cm/4.72×50.59in Component:ABS Package Includes: 1Set Aquariums Filter Pumps note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.