• For indoor or outdoor use
• Ideal for small sized fountains
• Adjustable water flow knob so you can control the water pressure
• Additional product uses in: fish tanks, hydroponics, aquaponics, statuary and aquariums

48 GPH (gallons per hour) Crystal Pond submersible fountain pump. Ideal for use with both indoor and outdoor fountains. It efficiently pumps 23 GPH at a height of 1-foot. Features a rotating outlet pipe which provides a convenient connection for 5/16-inch (inside diameter) tubing. Includes a rotary valve which allows you to control the flow adjustment easily.