75Pack Filter Rod SetProvides extended usage supply and maintains consistent humidifier performance for longterm satisfaction.Key featuresDual CottonSponge Composite MaterialEnsures efficient water absorption and stable vapor diffusion for balanced humidity.Universal USB Humidifier CompatibilityFits most mist makers and aroma devices for versatile application.EasySwap Wick DesignSimplifies maintenance and saves time with tool replacement convenience.Use scenariosHome usePair with a USB powered mist maker or aroma diffuser in a bedroom, living room, or nursery to help maintain comfortable humidity and consistent fragrance diffusion.Office or work deskUse with a desktop USB humidifier to improve air quality during long work sessions and reduce dry air effects.Travel or small spacesCarry with portable USB diffusers to ensure easy replacement and steady performance in compact environments.