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Pro-Series Plus



Pro-Series™ Plus incorporates the many features of Pro Series - plus satisfies the requirements of the most demanding installations, including pools with in-floor cleaning systems, spas, fountains or solar heating. Its spherical tank design evenly distributes the high pressure and stress associates with these applications, resulting in greater strength and longer life.

  • Durable, flanged inspection cover provides convenient access to top of filter
  • Top diffuser ensures even water distribution over the top of the sand media bed. All internal piping is 2in to give smooth, free-flowing performance
  • Automatic air relief purges trapped air during operation
  • Large pressure sand/water drain for rapid winterizing or servicing
  • Corrosion-proof tank molded of rugged, colorfast polymeric for longer life
  • Optional valve and coupling selections for plumbing ease and versatility
  • Precision engineered umbrella-fold self cleaning laterals for balanced flow and backwashing

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Model Number Description Ctn. Qty. Ctn. Weight  
S311SX 30 In Sand Filter -Side Mount- 1 74 lbs.
S311SXV 30 In Sand Filter W/2 In Slid 1 78 lbs.
S360SX 36 In Sand Filter -Side Mount- 1 95 lbs.

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Technical Specifications

Model Number Valve Sand Required Dimen. Width Dimen. Height
S311SX Not Included* 350 lbs. 31" 38 5/8"
S311SXV Slide Valve 350 lbs. 31" 38 5/8"
S360SX Not Included* 700 lbs. 36" 46"

Performance Data - Filter

Model Number Effective Filtration Area Design Flow Rate Turnover 8 Hrs (Gal) Turnover 10 Hrs (Gal)
S311SXV 4.95 ft.2 99 GPM 47,520 59,400
S360SX 6.50 ft.2 130 GPM 62,400 78,000



Frequently Asked Questions


  • In-ground pools installed with in-floor cleaning systems, solar heating systems, water features
  • In-ground spas on in-ground pool/spa combinations