[EXCELLENT PERFORMANCE] Crafted from material, our demineralization 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, , and magnesium ions, this 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 fits most humidifier , 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 lasting 30-40 uses depending on water volume and quality. Color: As Shown Material: plastic Package Contents: 14 * Mineralized Ink Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.