Hydrofarm  AAPA3.2L 2-Watt 3.2-LPM Active Aqua Air Pump with 1-Outlet
This air pump with 1 Outlets is super silent with multi-level muffler, low power consumption. Special artificial rubber to keep a steady air flow output and pressure that can be adjusted freely. Low power consumption. 1-Year warranty. 2-watts, 3.2-liter per minute, 120-voltage. 50-GPH, maximum amperage is 0.017 and maximum decibels is 40. Measures 7-1/2-inch length by 4-2/7-inch width by 3-inch height. This product weighs is 1-pound.