【Compatibility】: ONLY compatible with Compatible with Pure Enrichment PureZone Air Purifier only, exchangable replace PEAIRFIL 【3 in 1 Filtering】: Pre-filter+Activated carbon filter+ True HEPA filter, 3 stage air purification. 【Highly Efficient Filtering】The high-grade activated carbon filters can efficiently clean up 99.7% of particles and fumes, such as smoke, cooking smells. 【Cost-Effective Package 】 2 Pack Core 200s Replacement Filter. Our product works functionally as original, but the half-price, affordable replacement filter. 【Longest service time】: For optimum performance, to replace the filter every 6 months. 【Buy With Confidence】--We Value our customer shopping experience, and are committed to doing our best to help every buyer to get high-quality functional products. breath freely, and enjoy a healthy life. Filter made of FSC-Certified paper 4-Pack 3-in-1 Purezone Replacement Filter, Compatible with Pure Enrichment PureZone Air Purifier, H13 Grade True HEPA Filter, Part#PEAIRFIL