The Ex2 delivers high performance with its horsepower reaching up to 3HP. With two Speed settings, you can save energy & control the water flow. Spa pump features: true continuous rated horsepower, available in 1.5, 2.0, 2.5, & 3.0HP styles (see available styles tab) 48 or 56 frame, single or dual Speed (energy saving) use more jets per pump same physical size as aqua-flo XP2, xp2e (fits within the same volume envelope) can be used as substitute or retrofit to aqua-flo 806105361509 XP2 or xp2e pumps & similar pumps & wet ends made in USA from highest quality materials with UL & CUL certifications CE & tuv certification on export pumps to ensure product performance equipped with high efficiency electrical motors, custom designed for spa applications