PLL-12 Patriot Air Pump for Aquariums water gardens & fish ponds Output = 27 Cubic Feet per Hour, Max Depth = 4.5 Includes air pump, integrated manifold, 4 pcs 30 black vinyl tubing, 4 air stones For indoor / outdoor use, reliable, oil free, whisper quiet operation 120 VAC, 7.5 watts, 50 decibel noise rating 1 year manufacturer warranty