Perfect for regular water cleaning - no dirty droplets, instead a sturdy tube with better suction. Pump 30 l in about 5 minutes. Total length: 140cm. This aquarium water changer is made of high quality plastic, which can last for a long time. The fastest clear flexible PVC transfer fluids. Keep your aquarium clean - Filter gravel and suck up unwanted food, dirt and toxins with the mulching bell, which expands as it course of time in the aquarium. Safe for fish and invertebrates - The vacuum filter prevents the ingestion of small fish or crabs. Excellent value for money - unfortunately aquarium accessories are often very expensive. This simple and robust product does the same job as a traditional siphon at a fraction of the price.