Pentair Sta-Rite System 2 PLM300 300 sqft Cartridge, 13-5/8" Dia x 27-3/8" (27002-0300S) checkvalves A correctly selected heater helps

A correctly selected heater helps restore the comfort and reliability expected from the spa while giving service professionals a more precise replacement path

Improves service confidence and treatment quality

Supports high-flow needs

Waterway on and off drain valve assembly

but also as part of a broader long-term maintenance strategy

Pentair Sta-Rite System 2 PLM300 300 sqft Cartridge, 13-5/8" Dia x 27-3/8" (27002-0300S) checkvalves A correctly selected heater helpsPentair Sta Rite System 2 PLM300 300 sqft Cartridge, 13 5 8" Dia x 27 3 8" is built for maintaining the correct fit, seal and function within compatible Sta Rite System 2 filter applications. Restoring filter media with the correct cartridge helps improve water clarity, flow rate and service efficiency. Cartridge filters gradually collect oils, debris and fine particles that can restrict water movement. Replacing the cartridge with the correct System