Atlantic Water Gardens Typhoon Air Pump Kits (13LPM) Includes TA800 pump, 40' of 1/4" flex tubing, (2) check valves, and (2) 4" airstones Max pond size of 2000 gallons at max depth of 6' Noise dampening design means pump is nearly silent Weatherproof housing means long-lasting part life and low maintenance 3 Year Limited Warranty