The Pentair WhisperFlo two-speed full rated 1-horsepower high-performance pool pump is ultra-quiet * Unique FunnelFlo diffuser and high-efficiency impeller maximize water flow and energy efficiency while minimizing turbulence and noise * WhisperFlo costs less to operate, because it uses less horsepower to produce required water flow * Oversized strainer basket extends time between cleanings; see-through lid makes inspection fast and easy * Compatible with all cleaning systems, various filters and jet action spas; 1-year limited warranty