HIGH EFFICIENCY PURIFICATION: Equipped with a True HEPA filter and EcoSilver pre-filter, Hunter air purifiers for home can capture up to 99.97% of airborne particles and reduces allergens and microorganisms for a healthier home environment. Removes pollen, dust, VOC's, pet hair, and other dander to ensure you're breathing in fresh, clean air. COCONUT CARBON PRE-FILTER AND UV LIGHT: The Coconut Carbon Pre-Filter not only captures larger particles but also excels in eliminating harmful VOC's, stubborn household odors, and pet odors, ensuring a comprehensive air purification experience with the HP450 air purifier. The added UVC technology inhibits the growth of bacteria and viruses that are exposed to the UV light.