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 freely * Low power consumption * Rated 400 gal per hour * 12-watts, 25 liters per minute * 400-GPH, maximum amperage is 0.1 and maximum decibels is 45 * Special artificial rubber to keep a steady air flow output and pressure that can be adjusted freely