This mini hanging filter is compact, light weight, and yet energy efficient and easy to clean. Its three-in-one design provides water pump, biological filter, and also adds oxygen into your tank. The adjustable flow regulator design prevents juvenile suction. Features - Color: White - Material: Plastic - Size: About 10.50X8.20X8.00cm/4.13X3.22X3.14in - Maximum flow: 130L/H - Voltage: AC220-240V - Frequency: 50/60Hz - Power: 3W - Plug/wire length: Two flat inserts / 1.15m wire length - Manufactured with premium material, durable and practical to use. - Water flow can be adjusted to regulate water output. - High efficiency and energy saving, easy to clean. - Promote water circulation, aquarium sandstone filter is the best supporting equipment. - It is suitable for 30-50CM length fish tank.