Compatibility and compatibility note - These are replacement LV-H128 filters designed for LEVOIT LV-H128, ROVACS RV60, and PUURVSAS HM669A air purifiers. This is not an OEM product. Any use of the brand name or model name is intended solely to demonstrate compatibility. Please verify your model before ordering. Great value 4-pack - Package includes 4 pieces of premium H13 grade LV-H128 true HEPA filters. - A cost-effective option to refresh your LV-H128 purifier. Replace every 3-6 months to maintain a healthy air environment for your family and pets. 360 degree purification in a 3-in-1 design - Structure: Nylon pre-filter, H13 true HEPA filter, and activated carbon filter. - Upgraded LV-H128 filters offer strong capabilities to reduce odors and airborne particles, filtering smoke, cooking and pet smells, dust, and other impurities from the air. High efficiency, low energy use - Made with high-quality non-woven fabric and activated carbon. - Advanced low energy consumption and low wind-resistance design improves filtration efficiency while helping extend the purifier’s life. - Environmentally friendly materials with careful workmanship. Key benefits at a glance - Clear compatibility with multiple models (LV-H128, RV60, HM669A) for easy replacement. - Four high-performance filters to ensure continuous clean air. - 3-in-1 filtration for comprehensive air cleaning, including odors and particles. - Efficient operation with low energy use and extended purifier life. - Safe, environmentally friendly materials. Use scenarios - Home with pets: reduces pet dander and odors to maintain a fresher living room or bedroom. - Cooking areas: mitigates kitchen smoke, grease odor, and cooking smells for a more comfortable space. - Bedroom or study: improves overall air quality during allergy season or long workdays by removing dust and impurities. - Small offices or apartments: helps maintain clean air in compact environments where air quality matters. Maintenance and replacement guidance - Replace every 3-6 months, depending on usage and air quality, to sustain optimal filtration performance.