Check the listing for details. Rx Clear Ultimate Niagara In-Ground Swimming Pool Pump - 56 Frame - Choose HP. Condition: New, Made in China. Listed at 389.99 USD. Pool Pump - The Rx Clear Ultimate Niagara Pump for inground swimming pools excel in hydraulic engineering that provides an elusive combination of high efficiency, quiet operation, and longevity. Easy Maintenance: The Rx Clear Niagara Pump features a 2-piece strainer cover with clear port that allows you to notice when the basket needs to be cleaned.Pool Pump - The Rx Clear Ultimate Niagara Pump for inground swimming pools excel in hydraulic engineering that provides an elusive combination of high efficiency, quiet operation, and longevity. Easy Maintenance: The Rx Clear Niagara Pump features a 2-piece strainer cover with clear port that allows you to notice when the basket needs to be cleaned.