TOM Aquarium Aqua Lifter Pump 3.5gph flow rate to 30 inches height Pump water up to 30 inches high with a flow rate of 3-1/2 gallons per hour Ideal for use as a dosing pump Drip system for reptile terrariums Accepts standard air line tubing If we can be of any help please do not hesitate to contact us at customercare@kollerproducts.com, we'll take good care of you