The Single Speed SuperMax TEFC Pump is the strong silent type. The ultra-quiet totally enclosed fan-cooled motor barely makes a whisper and virtually eliminates unpleasant, high-pitched noise. The pumps are designed to help save electricity and optimize hydraulic horsepower without sacrificing performance. Known for high performance, energy smarts, easy upkeep, and proven reliability has gained, and maintained, the confidence of professional pool builders over decades.