- Receive 50 high-quality white humidifier filter cartridges, measuring 120 mm (approximately 5 inches) in length with a round diameter of 8 mm (approximately 0.3 inches). These filters are designed to fit most humidifiers, ensuring you're covered for office, home, or travel use. - Enjoy superior water absorption with our flexible humidifier filter rods. Each rod features a uniform pore distribution, offering robust water storage capacity and stable evaporation to enhance humidity levels in your space, making your environment more comfortable. - Constructed from durable, water-insoluble filter material, these filter rods resist sticking and are compatible with a variety of perfumes, liquids, and water-based solvents, helping your humidifier function effectively. - Effortless installation process: the design of the humidifier wick allows for quick disassembly and installation within seconds. Prior to use, simply moisten the filter rod with tap water for optimal performance. - Practical applications include use in home offices for dry air relief, enhancing moisture levels during travel in hotel rooms, or ensuring comfort during dry seasons in any indoor space. - Reliable and consistent performance makes these filter cartridges essential for maximizing your humidifier's efficiency. Keep your air fresh and comfortable with this essential accessory.