- Perfect Compatibility : Our LV-H128 replacement filters are designed to flawlessly fit the LEVOIT LV-H128, ROVACS RV60, and PUURVSAS HM669A air purifiers. Ensure your model matches Part #LV-H128-RF, #HM669A, or #RV60 prior to ordering. Please note this is not an OEM product; brand names are used for compatibility demonstration only.- Cost-Effective Value Package : This set includes 4 high-performance H13 grade true HEPA filters, making it an economical solution for maintaining your air purifier. We recommend replacing filters every 3-6 months to sustain a healthy breathing environment for your family and pets.- 360-Degree Purification : Featuring a 3-in-1 structure (Nylon Pre-filter, H13 grade true HEPA filter, Activated Carbon filter), these upgraded LV-H128 filters effectively capture up to 99.9% of smoke, cooking odors, pet smells, dust, and other airborne pollutants. Opt for our durable and efficient filters for cleaner, fresher air.- High-Quality Materials : Constructed from premium non-woven fabric and activated carbon, our LV-H128 filters utilize advanced low-density technology to minimize wind resistance. This design enhances filtration efficiency while conserving energy, prolonging the lifespan of your air purifier. All materials are eco-friendly, ensuring no environmental pollution.- Practical Applications : Ideal for homes with pets, environments prone to cooking odors, or for individuals with allergies, these filters provide a reliable solution for maintaining optimal air quality. Compatible with select LEVOIT models, they ensure that your living space remains fresh and healthy year-round.