Cartridge Filter Fitting O-Ring/Sand Filter Waste Adapter O-Ring || O-631-BAGGED
- O-ring adapter to tank replacement
- Fits Sta-Rite System 3 Modular Media SM series pool and spa cartridge filters model S7M120, S7M400, S8M150, S8M500
- Compatible with Sta-Rite System 3 Modular SMD series pool and spa D.E. filters
- Fits with Sta-Rite System 3 SD series pool and spa D.E. filter model S7D75, S8D110
- Also fits with Sta-Rite System 3 SS series pool and spa sand filters model S7S50, S8S70
