Pentair Sta-Rite System 3 (S7M120) Inner & Outer Replacement Cartridge Set - 300 SqFt

Pentair System 3 (S7M120) Inner and Outer Cartridge Pack – SKU 170145 is a complete replacement cartridge module set designed for Pentair Sta-Rite System 3 S7M120 modular media filters. This pack includes both the large outer and small center cartridges required for proper filtration performance. Intended for residential and commercial pool systems, it restores correct flow and filtration efficiency when replacing worn or saturated cartridges.

✅ Key Features

• Complete Cartridge Set: Includes both inner and outer cartridges for full filter replacement.
• OEM Pentair Replacement: Manufactured to original specifications for proper fit and performance.
• Modular Media Design: Supports System 3 filtration performance and water clarity.
• Direct Replacement Fit: Designed specifically for Sta-Rite System 3 S7M120 filters.
• System Matched Components: Ensures proper balance between inner and outer filtration elements.

⚙️ Specifications

• SKU: 170145
• Brand: Pentair
• Filter Area: 300 Sq Ft (100 Sq Ft Inner + 200 Sq Ft Outer)
• Included Cartridges: 25022-0201S (Large Outer), 25021-0200S (Small Centre)
• Compatible Filter: Pentair Sta-Rite System 3 S7M120
• Dimensions: 30.5 in (H) x 11 in (L) x 11 in (W)