- SD Series bring you the proven performance of our diatomaceous earth media in the world's easiest-to-operate D.E. filter. The greater cycle times and minimized maintenance of the System:3 D.E. Filters - SD Series, coupled with our superior grid system, give 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