The Generic 25" Sta-Rite System 3 450 Tank O-Ring Super-Pro (O-486-9) fits the Pentair Sta-Rite System 3 450 Sq Ft Filter including S8M150, S8D110, and S8S70. Made by Super-Pro, this generic O-Ring seals the filter top and bottom properly to ensure proper cleaning pressure.

  • 25" Diameter
  • Fits the System 3 450 Sq Ft Models Only (S8M150, S8D110, and S8S70)