Dymax DC Power Head offers you: Superior technology; aesthetic; functional design and lasting solutions. With ground-breaking ingenious innovations and the highest quality with our smallest DC pump in the market. Whether you are using the product on: water displays; small fountain; small aquarium; or water feature. Dymax pumps are used everywhere providing essential water movement for aeration and clean conditions. VERTICAL output. Most suitable for water feature and aquarium use for both freshwater and marine systems. Magnetic rotor technology. Adjustable flow rate. DP220: Flow rate 180L/H 2W. Suits aquarium size 5-20Litres.