Nature2 Express Replacement Mineral Cartridge W28175

Nature2 Express Replacement Cartridge Quantity 1 Model number W28175   Minerals, such as silver and copper, have long been known for their sanitizing antimicrobial properties. Nature2 brings the benefits of these safe elemental ingredients to create pool water that is noticeably cleaner, clearer, and softer. The Six Month Guarantee - Nature2 is guaranteed to work int your pool: Controls Algae Destroys Bacteria Won't Stain Your Pool Replace your pool mineral cartridge every 6 months to keep your pool clean, clear, and algae-free. “Express” Style Cartridges For inground and aboveground Express vessels