Pentair Sta-Rite® P6E6C-204L Max-E-Pro® 1-Speed Energy Efficient Full Rated High-Performance Pump 1/2 HP 115/230V. The Max-E- Pro P6 and 5P6R series pump is high efficiency, low maintenance and maximum performance with all the features demanded by today’s pool professionals. The Max-E-Pro pump has our new Quick-Lock™ trap cover ring and the 2" ports incorporate internal and external threads. Available in single- and two-speed models, with ratings from 1 per 2 to 3 HP. Built with quality construction using a durable one-piece pump housing constructed of Dura-Glas® Sta-Rite’s industry leading glass-reinforced composite resin. Fast cleaning with a new Quick-Lock trap cover ring permits fast access to strainer basket. Large see-through lid makes it simple to check for debris. A strong, sturdy, specially-designed base dampens sound and vibration, making the Max-E-Pro pump one of the quietest pumps in its class.