AQQA 265-800 GPH Submersible Aquarium Water Pump with Adjustable Switch, Removal and Drainage Sump Cleaning 2 Nozzles for Aquarium, Pond, Fish Tank, Hydroponics, Backyard (25W 400GPH)

MULTIFUNCTIONAL WATER PUMP: submersible water pump is a multi function bottom suction pump in terms of aquarium cleaning water change, water circulation and filtration, oxygenation. Effectively clean dirt and impurities at the bottom of the cylinder. Perfect for aquarium, fish tank, fountain or pond

• WATER FLOW CONTROL: An adjustable knob to control the water flow rate, so you can get just the amount of water pressure you want. Maximum flow rate: 1500 L/H. 100% submersible, need to be put into water fully before power on to avoid the aquarium pump burning out
• RUN DRY PROTECTION: The fountain pump motor reaches the certain temperature（85 degrees Celsius）will stop working without water, but the motor will restart working after the temperature goes down.(Note: Can't be operated in a waterless environment)
• BOTTOM INTAKE DESIGN: Low water level pumping design, can whisk away water to 1/3 inch from the water level and allows to pass 1/5 inch debris and fish waste, ensuring cleaner pumping. Magnet drive motor and sealed housing greatly reduces the level of noise, as quiet as whisper