Dolphin five Star Air Pump

4 outlets 
20 foot cord 
Adjustable air flow  w / Rheostat 
Heavy duty design for the deepest tank
Capacity: 540 liters/hr (3.5 PSI)
Ozone safe diaphragm
2 year limited manufacturer's warranty 
Size: 7¾" (L) x 5¾" (W) x 4 1/8" (H)