LL-4 Lifeline Air Pump 9 cubic feet per hour, 4 Watts Output = 9 Cubic Feet per Hour, Max Depth = 4.5 Includes air pump, 30 black vinyl tubing, air stone For indoor / outdoor use, reliable, oil free, whisper quiet operation 120 VAC, 4 watts, 50 decibel noise rating 1 year manufacturer warranty