[EXCELLENT PERFORMANCE] Crafted from high-quality material, our demineralization cartridge effectively reduces mineral buildup and absorbs impurities from hard water, enhancing water purity and eliminating odors for a fresher environment. [REDUCE WHITE DUST] Designed to absorb calcium, lime, and magnesium ions, this cartridge minimizes white dust from hard water. It prevents mineral residues on furniture and bedding, ensuring a cleaner, healthier living space while prolonging your humidifier's efficiency and lifespan. [UNIVERSAL COMPATIBILITY] Suitable for humidifiers with a 0.5-gallon tank or larger, including ultrasonic, evaporative, steam vaporizer, and cool & warm mist types. Our cartridge fits most humidifier brands, whether they are small, mini, portable, or large. [COST-EFFECTIVE PACK] Each package includes 14 humidifier filter replacements, measuring 4.7inch L x 3.5inch W x 2inch H. Simply place one Ultrasonic Demineralization Filter in your humidifier tank for immediate use, with each cartridge lasting 30-40 uses depending on water volume and quality. Color: As Shown Material: plastic Package Contents: 14 * Mineralized Ink Cartridge Set