Product Information:Incorporating the many advanced features of Hayward"s Pro Series sidemount sand filter, the Pro Series Plus satisfies the requirements of the most demanding installations, including pools installed with infloor cleaning systems, spas, fountains, or solar heating systems. Its spherical tank design evenly distributes the high pressure and stress associated with these applications, resulting in greater strength and longer life. So, for crystal clear water with only minimal care, pool owners choose Pro Series.Note: Valve not included Features:#149; Inground pools installed with infloor cleaning systems, solar heating systems, water features#149; Inground spas or inground pool/spa combinations#149; Durable, flanged inspection cover provides convenient access to top of filter#149; Top diffuser ensures even distribution of water over the top of the sand media bed. All internal piping is 2in to give smooth, freeflowing performance#149; Automatic air relief purges any trapped air during operation of the filter system#149; Unitized, corrosionproof, spherical filter tank molded of rugged, colorfast polymeric material for maximum strength and longer life#149; Precision engineered umbrellafold self cleaning laterals for balanced flow and backwashing, plus easy serviceability#149; Large pressure sand/water drain for rapid winterizing or servicing Specifications:#149; Model Number: S360SX#149; Effective Filtration Area: 6.50 ft 2#149; Design Flow Rate: 130 GPM#149; Maximum Working Pressure: 50 psi#149; Turnover: 8 Hrs: 62,400 / 10 Hrs: 59,400#149; Sand Required: 350 lbs