This aquarium siphon kit is a multi-function siphon kit. It can be used as a water changer. You can just simply squeeze the air pressure ball several times, and the water will flow out of the tanks automatically. It is an effortless aquarium siphon kit. The water inlet is designed with a filter basket to prevent tiny fish and water plants from being sucked in. The Hygger aquarium siphon kit is suitable for 12-inch (depth) fish tanks. Key Features: 1. Included: • 1xAir ball, • 1xHandle, • 1x6.5ft Outlet pipe, • 2x9.8in Inlet pipe, • 1xInlet pipe connector, • 1xFlow clip, • 1xHose fixture clamp, • 1xRubber stopper, • 1xSoft drop head, • 1xAquarium brush, • 1xFish net 2. Multi-functional gravel siphon feeder kit for small fish tanks 3. Long hard tube stirs up fish waste and food scraps in the gravel, keeping the waste suspended and sucked out with the water, it also allows you to easily aim at the debris and suck it out 4. Flow clip allows you to control the flow rate, especially when the waste water bucket is almost full 5. The hose fixture clamp easily secures the hose to the bucket and frees your hands 6. Can also eradicate debris from those hard-to-reach corners of the fish tanks 7. Use the siphon kit as a coral feeder to feed liquid phytoplankton to corals or other aquatic pets 8. As a coral feeder, it can be used in marine reef tanks to feed coral directly and is easy to control, it helps to keep your hands from getting wet 9. Can be used in marine reef tanks to feed corals, reefs, anemones, lionfish, and so on, especially caring for timid fish 10. Extension pipe allows slow fish feeding without wasting fish feed, it is an effective way to avoid contamination of water with excess fish feed 11. The Siphon kit includes a dedicated aquarium brus...