About this item Ensure your home or office stays fresh and healthy with these high-performance Replacement HEPA Filters by LifeSupplyUSA. Specifically designed to be compatible with Alen TF30, T100, and T300 air purifiers, these premium filters are engineered to maintain a cleaner indoor environment by capturing 99.97% of airborne particles as small as 0.3 microns, including dust, pollen, pet dander, mold spores, and smoke. Constructed for durability and efficiency, each filter features a high-efficiency particulate air design that significantly improves air quality while protecting your device. Installation is quick and tool-free, allowing you to easily maintain peak performance. Whether you need a single replacement or are stocking up for long-term maintenance, we offer flexible pack size options to suit your needs, including 1-Pack, 2-Pack, 3-Pack, and 4-Pack variations. For optimal results, it is recommended to replace the filter every 6 to 12 months depending on usage and air quality. Choose the reliable and cost-effective air filtration solution with LifeSupplyUSA. FEATURES Excellent Value: Replacement filter for air purifiers, effectively filters air particles for healthier living. Dimensions: 4.17" x 9.61" x 1.26" inches Compatibility: Compatible with Alen TF30 for T100 and T300. Not OEM; by LifeSupplyUSA. Quality HEPA Filtration: High-Efficiency Particulate Air (HEPA) design filters fine particles and irritants. Professional Grade: LifeSupplyUSA Air Purifier Filters are durable and efficient, ensuring maximum airflow and device protection. Easy Installation: Tool-free; replace every 6 months (depending on air quality and use) for optimal performance.