The Pentair Sta-Rite System 3 Drain Plug 2" O-Ring (35505-1424) is a direct Drain Plug O-Ring Replacement. Allow your filter to drain properly without leaking. Fits the Pentair Sta-Rite models S7M120, S7M400, S8M150, S8M500, S7D75, S8D110, S8S70, S7S50, PTM50, PTM70, and PTM100.

Features:

• Drain Plug O-Ring Replacement.
• 2" O-Ring Diameter.