Nispira Replacement Filters: Compatible with Pure Enrichment Mini Portable Air Purifier. These filters provide a 3-in-1 filtration system with HEPA and activated carbon. Pack of 4: Four filters included, ensuring you have a spare on hand when needed. Effective Filtration: HEPA filter removes up to 99.97 percent of airborne particles as small as 0.3 microns. Activated carbon based deodorizes unfavorable household smell from pet, cooking, smoke and chemical VOCs. Preliminary net filter blocks big particle such as dust and hair. Easy Installation: Simply replace the old filter with the new one for continued efficient air purification in your vehicle. Recommend to replace the filter every 6 months to optimize performance. 100% customer satisfaction guaranteed. Quality meets or exceeds leading national brands Nispira PEPERSFIL Purezone replacement filters are designed for the Pure Enrichment Mini Portable Air Purifier (PEPERSAP). These 3-in-1 filters combine a HEPA filter and activated carbon filter to effectively remove airborne particles, odors, and pollutants from the air in your vehicle. With two filters included in each pack, you can maintain optimal air quality and enjoy a fresh, clean environment while driving. The compact size makes the air filters perfect for use in cars, trucks, or other small spaces. Replacing your filters regularly ensures maximum performance and cleaner air for a more enjoyable ride.