Our SPA pump for hot tub has a two-speed design, high speed 4 HP/ low speed 0.7 HP, and the included 2-inch inlet and outlet ports perfectly fit the existing bathtub. Pure copper motor passes 80,000 times electric cycle test, combined with anti-creep bearings for smooth operation. | Vevor | | 2 Speed SPA Pump, 56-Frame,AC 220-240V Hot Tub SPA Pump, 4HP/210GPM/65.61ft High Speed or 0.7HP/103GPM/16.07ft Low Speed | Black | Best Buy