Pentair 25021-0224S System3 Small Inner Cartridge

💧 Pentair System 3 Small Inner Cartridge

Part # 25021-0224S | Replacement filter cartridge for Pentair System 3 cartridge filter systems

The Pentair 25021-0224S is a genuine replacement small inner cartridge designed for use in Pentair System 3 cartridge filter assemblies. It helps capture fine debris and keep pool water clear by maintaining proper filtration performance.

✅ Key Features:

• Genuine Pentair replacement part for dependable fit and performance
• Small inner cartridge used in System 3 filter configurations
• Helps trap dirt, debris, and suspended particles
• Supports clean water flow and efficient system operation
• Ideal for routine filter maintenance and cartridge replacement

🔧 Compatibility:

Designed for Pentair System 3 cartridge filter systems that use the small inner cartridge element. Always verify your existing cartridge part number and filter model before ordering.

📋 Installation and Use:

• Turn off pump and relieve filter pressure before service
• Open filter tank and remove the worn cartridge
• Install the new cartridge in the same position
• Reassemble the filter and restart system
• Inspect for proper seating and normal water flow

🛠 Recommended for replacing a worn, cracked, or heavily soiled cartridge to help restore filtration efficiency and water clarity.

⚠️ Always follow Pentair installation and service instructions for your specific System 3 filter model.