- Experience cleaner air and improved comfort with our high-performance foam filter, designed to enhance water flow and refresh the atmosphere in your space. - Engineered with superior porosity distribution, this filter excels in water absorption and storage, ensuring stable performance without fluctuations. - Constructed from high-quality filter cotton material, it boasts excellent water absorption capabilities and is fully compatible with USB water bottle humidifiers. - The filter is insoluble in water and non-sticky, maintaining a consistent volatile speed for optimal performance. Use scenarios: - Ideal for home or office humidifiers, ensuring a consistent supply of moisture for a healthier environment. - Perfect for travel, easily fitting into portable USB humidifiers to maintain air quality wherever you go. - Excellent for enhancing the performance of water bottles used for aromatherapy or essential oil diffusion, providing a soothing atmosphere. Invest in our foam filter for a reliable solution that improves air quality and supports your well-being, ensuring you breathe more comfortably wherever you are.