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Sta-Rite S7D75 System 3 D.E. Pool Filter
Sta-Rite System 3 D.E. Filter S7D75


Product Code: S7D75
Call 1-805-581-9181 For Pricing and Ordering or Send Us An Email

Description Warranty

Available in Two Sizes - 37 and 53 sq. ft. filter areas.

S7D75 is 37 sq.ft ; 74gpm

S8D110 is 53 sq.ft.; 106gpm

Sta-Rite backwash valve needed. (not included see accesorries)

Less Cleaning Needed - Straight grid design gives you more cleaning surface. Opens Easily - The split tank design allows for convenient access for cleaning or changing filter media.

Designed for Safety - The use of posi-lok™ clamps enables safe, easy access to filter. Durable, Lightweight and Corrosion Resistant - Dura-glas exterior Sta-Rite System 3 D.E. Filter Models S7D75 and S8D110

Landscape Friendly - Sleek, black tank profile blends well into any landscape design

Nothing but the finest for your pool

D.E. is historically the media of choice for the designers of some of the largest and most beautiful pools in the world. It is now more practical for all backyard pools as well. System:3 brings you the proven performance of Sta-Rite's diatomaceous earth media in the world's safest and easiest-to-operate filter. The greater cycle times and minimized maintenance of the System:3, coupled with Sta-Rite's superior grid system, gives you the finest D.E. filter available


  • Typical Installations – Inground pools, inground hot tubs, and water features
  • Quality Construction – Durable two-piece tank housing constructed of Dura-Glas, Sta-Rite's industry leading glass-reinforced composite resin
  • Safe – Posi-Lok clamps provide safe, easy access to tank internals
  • Innovative Design – 2" plumbing throughout combined with Sta-Rite's exclusive rectangular grid system provides superior D.E. filtration
  • Low Maintenance – Superior backwash capabilities means less manual cleaning of the grids
  • Dual Drain Plugs – Side plug assembly includes 1-1/2" NPT port for direct discharge plumbing
  • Sleek Looks – Contemporary style and matte black finish looks attractive in any pool setting

Product Specifications

Turnover Capacity (Gallons) (Flow Rate x 60 x Hours)
Product Filter Area (sq ft) Flow Rated1 at 1 - 2 GPM (per sq ft) 6 Hour 8 Hour 10 Hour Tank Port size D.E.2 Required (Lbs.) Carton Wt (Lbs)
S7D75 37 37 -74 13 - 27,000 18 - 36,000 22 - 44,000 2" 3.7 112
S8D110 53 53 -106 19 - 38,000 26 - 51,000 32 - 64,000 2" 5.3 136

1: Based on NSF recommended flow rate for commercial at 1 -2 GPM per square foot.
2: Do not use more D.E. than shown here. Mixed results with D.E. alternatives.
3: Valves must be purchased separately.

Note: Operating Limits – maximum continual operating pressure of 50 PSI. Pool/spa (bather) applications, maximum operating water temperature (internal filter) 104°F (40°C).

  • WARNING: The following product(s) can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov

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