Multifunctional Submersible Pump -- Best choice for Fish tank, aquariums, ponds, patio, garden, fountains, hydroponic. STAINLESS STEEL PUMP IMPELLER SHAFT, corrosion resistance, strong driving, long working life, so this water pump also fit for sea water.Water Flow Rate Ajustable Design-- Rotate the knob to adjust the water flow rate, so you can get just the water pressure you want. The outdoor fountain pump is equipped with 3 nozzles: 0.39in,0.59in,0.67in for your choice. Maximum flow rate: 550 GPH2500L/H.Strong Power High Lift & Ultra Quiet-- This fountain pumps max lift height: 8.2ft(2.5meter). Use brushless motor produces low noise and run more smoothly, which gives you a quiet environment, the submersible water pump is energy-saving and low power consumption.Easy To Use-- Pond Pump Dimensions: 3.9"L * 1.9"W * 3.5"H. Come with 4 individual powerful suction cups at the bottom of the pump that hold the pump securely on the right side of aquarium, vertically or horizontally. 100% safe, non toxic, non- radioacitivy design with waterproof for kids aged 6+ and adults.Detachable & Cleanable-- The aquarium submersible pump is easy to disassemble and clean. No need any tools to detach it. It is advisable to use a lubricant when the motor makes loud noises.