Hydrofarm AAPA25L Active Aqua Air Pump, 8 Outlets, 12W, 25 L/Min, 25L, WhiteBrand: Hydrofarm Color: White Features: Super silent with multi level muffler Special artificial rubber to keep a steady air flow output and pressure that can be adjusted freely Low power consumption 400 GPH, maximum amperage is 0. 1 and maximum decibels is 45 12 watts, 25 liters per minute Super silent with multi level muffler Includes 8 outlets for convenience Special artificial rubber to keep a steady air flow output pressure that can be adjusted