This Submersible Water Pump Is Great For Fresh/Salt Water Aquarium, Indoor And Outdoor Fountains, Spout And Hydroponic Systems. Features: Adjustable Water Flow Rate No Need Any Tools To Detach It, Easy To Separate, Easy To Clean Good For A Return Pump In An Aquarium Sump Makes Fish Tank Water Changes A Breeze Increase Circulation In The Reservoir Of A Hydroponics Setup Suction Cup Mounting Feet For Either Vertical Or Horizontal Mounting Specification: Max Flow Rate: 80 Gph (300L/H) Recommended H-Max (Lift Height): 1 Foot Voltage: 110 - 120 V @ 60 Hz Length Of Power Cord: 6 Feet Outlet: Fits 5/16, 1/2 Inch Id (Inside Diameter) Tubing Dimension: 2 X1.75 X1.25 (L X W X H) Includes: (1) Pump (2) Outlet Adapters Note:

• Prohibit No-Load Running. Put The Pump Into Water First Before Connecting Power Supply And Ensure The Pump Must Be Completely Submersed Under Water. It Would Shorten Its Lifespan And Lead To Making Loud Noises When Running In The Air For Long Time.
• Please Clean It Regularly In Case Of Debris Blockage, The Pump Would Make Noises Or Stop Working If Blocked By Debris.
• The Maximum Flow Rate Is 80 Gph, There Might Be A Plus-Minus Tolerance. Every Additional Foot Of Pipe, Valve And Turn Will Reduce The Flow Rate A Little Bit. If The Water Sprays Out The Container, The Flow Rate Would Also Less Than 80 Gph
• 2' Lift Height Refers To The Height The Pump Can Lift Water To At The Minimum Flow Rate. At The Stable And Constant Flow Rate, The Pump Can Lift Water To About 1' Height.