The pump is equipped with a pure copper motor, combining high efficiency and low noise. The pump shell is made of premium ABS and aluminum material, sturdy and corrosion-proof, without water leakage. In addition, it is certified with UL authorization, suitable for swimming pools, hot tubs, bathing tubs, etc. Superior Performance Secure Design Versatile Uses 2" plumbing unions 1 HP 48 Frame Motor Dual Speed - 1725/3450RPM 115 Volt Dimensions: 15-3/16"L x 8-7/16"W x 8-7/16"H