[5 In 1 Multifunction Aquarium Gravel Cleaner]CHERLAM electric water changer supports multi-purpose use and has passed the international UL certification,which has quality assurance.According to different combinations,the accessories can realize 5 functions - water changer + sand washing + debris cleaning + water filter + water flow,suitable for fresh water and sea water and fish tanks of various depths.[Strong Suction] Aquarium cleaner built-in 28w powerful water pump motor can provide a maximum flow of 150GPH. Suction can quickly change water, remove food residue and other debris from fish tank.[Effective Cleaning]Comes with extension tube to adjust handle length according to tank depth.By using sand washing head,it can wash sand and absorb feces.With brush head it can clean the dirt on fish tank bottom.The water changer quickly picks up impurities and debris and leaves them directly in the filter bowl. Filter bowls are easier to clean than filter bags and last longer. The filter cotton can be replaced with other filter materials.[Quick water change] The Hmax has a powerful flow rate of 70inch, 150GPH strong flow can realize fast water change. 1-button electric start pumping, water can be pumped into the bucket, and the extension pipe can also be connected to the drain, saving time and effort. The initial water level can be as low as 2in, no water accumulation, and the pumping can be as low as 0.3in.[High-Quality-After-Sales]Customer satisfaction is our top priority. If you are not satisfied with our aquarium gravel cleaner, please contact us and we will reply to you within 24 hours.It'll be a nice father's day gift for your daddy.