Check the listing for details. Mineral Cartridge Replacement for Nature2 W28000 DuoClear 25K. Condition: New. Listed at 40.00 USD. W28002 W26002 Mineral Cartridge is suitable for All Zodiac DuoClear 45 system, Nature2 Fusion system and Fusion Soft system, Nature2 Vision Pro system. Compatible with both Above ground and inground pools up to 45,000 gallons. Perfect Replacement for Zodiac Nature2 sanitizers. OEM Replacement Part Number: OEM Replacement Part: W28002 / W26002. 【Keep Water Clean, Clear & Balanced】 W28002 mineral cartridge replacement works with Nature2 Fusion, Nature2 Fusion Soft or Nature2 DuoClear dispenser systems. Improves the clarity and quality of pool water with less chemicals. Effectively eliminates leaves, sands, hairs and other elements you don’t want in the swimming pool. Suitable for people looking for a nature-friendly, easy-to-install and low-maintenance alternative to keep their pools clean. 【Built to Last】 Made of proven mineral ingredients and premium-grade PVC plastic housing. Corrosion resistant, anti-impact and anti-deformation for long-lasting reliable use. Keeps your pool clean and healthy. Reduce the need to frequently add heavy chemicals and the potential for stinging eyes and unpleasant odors. Will not damage your pool equipment or stained pools. 【Hassle-Free Installation】 Easy to install with no tools required. Simply get the cap come off. Remove the old cartridge. Install new one and you're ready to go. Impossible to mess up, suitable for DIY. 【100% Satisfaction Guarantee】 Your satisfaction is our priority. We strive to give our customers excellent service. All Sixcow products support 30-Day money-back guarantee, 12-Month warranty for quality-related issues. Simply return it for your warranty.