Gast blowers are ideal for aerating fish tanks, they provide high oxygen service with low energy consumption. With only one moving part, this reduces wear and tear and reduces the need for any kind of lubrication or the need for constant maintenance. Gast blowers are very reliable and provide years of trouble free service for your pond. Featuring 50 and 60 Hz operation with one lightweight durable unit, the blower also has automatic thermal overload protection. It can even be mounted in any position and still work efficiently. The Gast Blowers come in a variety of HP, from 1/8 HP to 3/5 HP depending on your needs.