Feature: 1. Oxygen Delivery: This aquarium air pump pushes air into the bubbler and quickly diffuses oxygen throughout the tank, promoting water movement, avoiding freezing in the winter and keeping your fish or plants active all year round. 2. Water Cycle: This oxygen pump increases water cycle and oxygen saturation to improve ecosystems. Perfect for fish tanks, water gardens or small outdoor fish ponds. 3. Low Noise: This air bubbles pump adopts ABS thick shell and sealed inner baffle that greatly reduces noise, while the soft foot pad can effectively cushion the impact produced by the motor. 4. Easy Operation: This fish tank oxygen pump is easy to use, simply connect the aquarium pump with the air plate via 9.8ft tubing, then place the tubing and air plate into the aquarium or pond. 5. Durable Material: This fish tank air pump is made of premium ABS and rubber material, which is strong and highly durable. No batteries required as it runs on standard household current via home outlets. Specification: Item Type: Aquarium Air Pump Material: ABS, Rubber Tested Water Depth: 70cm / 27.6in Power: 3.8W Product Size: Approx. 18 x 10.2 x 9.5cm / 7.1 x 4.0 x 3.7in ( Manual Measurement, Slight Error May Exist ). Package List: 1 x Aquarium Air Pump2 x Air Plate2 x Water Stop Valve1 x Tubing1 x User Manual