Wide Compatibility Replacement for Nature2 W20750 SPA mineral stick is seamlessly integrates with all existing spa systems and works at any flow rate. Designed for spas/hot tubs up to 500 gallons (2000L); fits fiIterwith a minimum cartridge length of 6.5" (165 mm) and pore diameters ≥1.25" (32 mm). Professinally manufactured to OEM part # W20750. Keep Water Clean, Clear & Balanced Advanced Mineral Bed Technology releases natural silver and copper ions to produces sparkling clean spa water that is purer, fresher, healthier and gently soothing. Enjoy purest, cleanest spa experience with your family and friends! Perfect Design .
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