Pentair Sta-Rite System 3 S8M150 191 sqft Inner Cartridge, 12-7/16" Dia x 26-7/16" (25021-0202S) heaters this component provides long-term reliability

this component provides long-term reliability even in demanding environments

Replacement part L4RW for the listed Pentair application

A filter cartridge supports the water-care system by capturing debris before it can continue circulating

Those mixed equipment details make proper replacement selection especially important

Supports cleaner and more dependable daily scheduling

Pentair Sta-Rite System 3 S8M150 191 sqft Inner Cartridge, 12-7/16" Dia x 26-7/16" (25021-0202S) heaters this component provides long-term reliabilityThis replacement part supports a cleaner, more dependable service outcome when the existing component is worn, missing or difficult to reuse. Restoring filter media with the correct cartridge helps improve water clarity, flow rate and service efficiency. System 3 cartridge filters use matched inner and outer elements, so selecting the correct cartridge position and size is important. This replacement supports proper filtration balance inside the tank