TOPGUY SP series is designed according to the Principles of hydraulics lts motor is with internal ventilation design ,and the winding design is advanced .Liquids part is made of high reinforce engine ering plastic which is durable .The strainer with high capacity helps reducing the cleaning work. It is with good performance and high efficiency. It accelerates water injection irrigation rate and improvises efficiency nc. It is applicable to : swimming pool, industrial water, oceans pavilion ，water park, etc.