Sta-Rite System 3 S7M120 Complete Cartridge Set 170145 | 300 Sq Ft

Sta-Rite System 3 Complete Replacement Cartridge Set – 170145

The Sta-Rite System 3 Complete Replacement Cartridge Set (170145) is a genuine OEM replacement filter module set designed specifically for Sta-Rite System:3 S7M120 Modular Media Filters. This complete cartridge replacement delivers 300 sq ft of premium filtration, restoring peak performance and helping keep your pool water crystal clear and debris-free.

Each set includes both the inner and outer filter modules engineered to exact factory specifications, ensuring proper fit, optimal water flow, and balanced dirt loading throughout the life of the media. Regular replacement with genuine Pentair cartridges helps maintain efficient filtration cycles and prolongs the life of your filtration system.

✅ Key Features & Benefits

• Genuine OEM Cartridge Set – Designed to match Sta-Rite System:3 filter specifications

• 300 Sq Ft Total Filtration Area – Large surface area captures fine debris and contaminants

• Includes Inner & Outer Modules – Complete set for full performance restoration

• Optimized for Balanced Flow – Helps maintain efficient filtration and lower pump strain

• Durable Construction – Built from reinforced media for long service life

• Easy to Install & Clean – Simple removal and rinsing help reduce maintenance downtime

• Longer Filter Cycles – Reduces cleaning frequency and water usage

⚙️ Specifications

• Part Number: 170145

• Brand: Pentair / Sta-Rite

• Filter Type: Modular Media Cartridge Set

• Total Surface Area: 300 sq ft

• Compatible With: Sta-Rite System:3 S7M120 Modular Media Filters

• Includes: Inner & Outer Cartridge Modules (25021-0200S & 25022-0201S)

🔁 Compatible System

• Designed for Sta-Rite System:3 S7M120 Modular Media Filter models

• Not sure if this is the right cartridge?  
  View our Pool Filter Cartridge Replacement Chart to confirm your filter model.

⚠️ Note: This set replaces both the inner and outer cartridges together — confirm your filter model before ordering to ensure proper compatibility.

⭐ Why Choose The Sta-Rite 170145 Complete Cartridge Set?

Using a complete OEM replacement set like the Sta-Rite 170145 ensures:

• Consistent, OEM-matched filtration performance that aftermarket modules often can’t replicate

• Even dirt loading and balanced hydraulics, maintaining stable pressure and flow

• Improved water clarity and pool health thanks to high surface area media

• Easier maintenance with modules designed for quick rinsing and longer life