Restore your pool’s water clarity and filtration efficiency with the Pentair System 3 Mod Media S7M120 Replacement Cartridge Set. This genuine Pentair OEM set includes both the inner and outer cartridges, designed specifically for the System 3 S7M120 filter to ensure complete and reliable debris removal for sparkling water all season long.

• ✅ Complete 2-Piece Set – Includes the Inner Cartridge (100 sq ft, Pentair #191788) and Outer Cartridge (200 sq ft, Pentair #191806) for a total of 300 square feet of filtration area
• 🔄 Direct Replacement – Engineered for perfect fit and performance in the Pentair System 3 S7M120 Mod Media Filter (Model #137122)
• 💧 Enhanced Filtration – Efficiently captures dirt, debris, and fine particles for cleaner pool water and improved water flow
• 🛠️ Quick & Easy Installation – Simply remove old cartridges and install new ones, no special tools required
• 📏 Cartridge Dimensions:
  • Inner: 25.56 inch length x 8.5 inch diameter (100 sq ft)
  • Outer: 25.75 inch length x 16.25 inch diameter (200 sq ft)
• 🫧 Compatible With: Pentair System 3 S7M120 Mod Media Filters (Model 137122)
• ♻️ Replaces/Equivalent To: Pleatco PFS122/123, Filbur FC-1004/FC-1005, Unicel C-7470/C-7471

Installation: Shut off pump and relieve system pressure before opening the filter. Remove used cartridges and insert new elements, aligning properly. Consult your filter’s manual for detailed steps and safety tips.

Replace cartridges at least once per swimming season or when the pressure gauge indicates reduced flow for best results and optimal water clarity.

🛡️ Trust genuine Pentair replacement parts for maximum system life and warranty coverage.