Keep your swimming pool clean and healthy with the Zodiac Nature2 CF Replacement Mineral Cartridge. This cartridge is designed to provide your pool with the necessary minerals to maintain clear and inviting water. With a capacity of 25,000 gallons, this cartridge is perfect for swimming pool owners who want to enjoy clean and refreshing water without the hassle of constant chlorine additions. The Zodiac Nature2 CF Replacement Mineral Cartridge is suitable for use in swimming pools and is manufactured in the United States by Zodiac Nature2. This is specifically designed to work with the Zodiac Nature2 CF model. Get your swimming pool back to enjoying clear and inviting water with this high-quality replacement mineral cartridge. Please refer to the photos for the most accurate description and understanding of the condition. Feel free to contact me if you have any questions or concerns. Don’t forget to check out my other listings!