This is a replacement HEPA air filter for the Ivation HEPA Air Purifier & Ozone Generator. To get the full air purifier, you must order it separately. The effectiveness of your air purifier depends entirely on your air filter replacement for air purifiers. Keep your air purifier in perfect condition with this HEPA replacement filter. Swapping out these filters is simple to do and recharges your system. Compatible with the Ivation HEPA Air Purifier & Ozone Generator, this air purifier filter replacement will keep you breathing easy.