System 3 Upper Half Filter Tank Lid – 25″

The 25″ System 3 Upper Half Tank fits models S8M150 & SM8500 cartridge, sand (S8S70) and diatomaceous (S8D110) (D.E.) Filters. Its’s quality tank housing made of Dura-Glass is the industry leading glass-reinforced composite resin.


  • Includes valve and gauge assembly.
  • For filter tanks 25″ in diameter.
  • The SM8150 & SM8500 requires (8) clamps (sold separately).
  • We carry all System 3 filter parts.  Contact us if you need anything!
  • Item is in non-original packaging. Shipped via UPS.

Why choose a System 3 Filter?

With the System: 3 Mod Media Filter, Sta-Rite brings you the product that makes Ultra-Capacity Filtration a reality. No longer simply “cartridges,” Sta-Rite’s advanced technology has brought an entirely new class of filtration to the industry. Sta-Rite’s modular media concept incorporates the latest in media science, perfectly balanced flow, and an integral manifold design: namely, Ultra-Capacity Filtration. This filtration concept puts entirely care-free operation within reach of today’s pool owners. Modular Filter Tanks allows for quick change of filter medias without changing the tank. Contemporary style and matte black finish look attractive in any pool setting.