Fish Tank Gravel Cleaner Multifunctional Vacuum Aquarium Gravel Cleaner Kit (2.6M) Sand washer has three interchangeable fittings, they can be used to change the water, wash the sand and suck out the faeces in the tank, making it easy to cope with your needs. 2 Extra Replaceable Accessories Provided: With the 2 replaceable head connector, you can clean the fish tank dirty with different ways, easy to meet your needs. Control Valve Design: You can easily adjust and control the water flow whenever you want according to your needs by turning the switch on top of the hose Extended water Inlet: Our aquarium cleaner is not only equipped with a 30cm thickened air bag, but also equipped with a extended transparent water inlet with filter grid, which can effectively prevent MaterialA product is made of high quality soft plastic material, we have thickened and lengthened this product, the soft hose making it more flexible and durable