The Pentair Sta-Rite System 3 Air Bleed Tube (25021-0003) is a direct Air Bleed tube Replacement. This filter tube allows air to bleed as needed. Fits the Pentair Sta-Rite models S7M120, S7M400, S8M150, S8M500, S7D75, S8D110, S8S70, S7S50, PTM50, PTM70, and PTM100.


  • Air Bleed Tube Replacement.
  • Plastic Construction.
  • Air Bleed Filter Screen Not Included (Sold Separately).