Features: 1.Filter the impurities, pass through the filter mesh, and leave the garbage flowing back to the tank. 2.Sand washing model, wash bottom sand and garbage in water plants mud. 3.Changing water model, replace the drain cover and connect the water pipe. 4.Dirt suction mode, suck out bottom trash, do not use large particles to prevent plugging the rotor. 5.Add water mode, add water from bottom to top. Low water level suction, water level more than the pump. 6.Suitable for a variety of tank using, traditional fish tank, low-water tortoise tank, starting water level 10-15cm, small and medium-sized landscape fish pond, tank bottom filter. Specification: Condition: 100% Brand New_x000D_ Item Type: Electric Aquarium Water Changer_x000D_ Model: HXS-01_x000D_ Material: ABS_x000D_ Color: As Pictures Shown_x000D_ Plug: CN Plug_x000D_ Voltage: 220V_x000D_ Power: 6W_x000D_ Head: 0.7M_x000D_ Flow: 350L/H_x000D_ Starting Water Level: Immersion Pump_x000D_ Warning Water Level: Do not Exceed the Filter Box PackageList: 1 x Water Changer1 x Lengthen Cover1 x Sand Washing Head1 x Telescopic Tube1 x Drain Water Cover2 x Filter Mesh1 x Manual Note Note:_x000D_ 1. The part beyond the filter box shall not be immersed in water_x000D_ 2. Do not use for large particles to prevent plugging the rotor