... FEATURES:1.Fashionable appearance,non-oil lubricatedand convenient to operate;2.Double muffling shell,designed reasonably,low noise,low energy ... and durable operation;3,Many specifications of pumps with air divides from four to eighteen;4.Used in aquarium ... and growth in ishing farm,seafood in restaurant,also for air supply to industrialmachine,medical instrument belching paint,Neon advertisement/ ...