Aoibox 40 Piece 4 in Humidifier Filter Wick Sticks for Portable Mini Humidifiers 0 3 in Dia Cotton Refill Rods

40 Replacement Wick Sticks in One Pack: Includes 40 white humidifier filter refills so you can keep multiple portable units running or maintain a long replacement schedule without frequent. Standard 4 in Length with 0.3 in Diameter: Each wick measures approximately 4 in long and 0.3 in thick, a common size compatible with many compact personal and travel humidifiers—check your. High Absorption Porous Filter Material: Uniform pore structure and elastic fiber design quickly draw water upward, helping deliver steady evaporation and consistent mist performance from small. Helps Restore Weak or Stopping Mist Output: Replacing a worn wick can improve humidifier operation when steam output drops or the device begins running hot, supporting smoother performance. Supports Water and Water‑Based Solutions: The filter material is insoluble in water and resists sticking, allowing use with most water-based liquids typically used in personal humidifiers. Quick Installation for Routine Maintenance: Simply remove the old wick, fully soak the new one, and insert it into the humidifier tube.