2-IN-1 True HEPA Filter For Pure Enrichment PureZone Elite 4-IN-1 Tower Air Purifier PEAIRTWR. 4 Carbon Activated Pre-filter 2 True HEPA Filter. Compatibility: Our PEAIRTWR Elite 2-in- 1 True HEPA Replacement Filter is Compatible with Pure Enrichment PureZone Elite 4-in-1 Air Purifier (PEAIRTWR). Easy to Replace: Our PEAIRTWR Elite air purifier filter for Pure Enrichment is easy to install and replace, no tools required. 2-Stage Air Purification: Carbon Activated Pre-filter and True HEPA Filter. Usage: For the Best Performance and to Maintain the Integrity of your Air Purifier, Replace your PureZone 2-in-1 True HEPA Filter Every 6 Months. PEAIRTWR Elite H13 Ture Hepa Replacement Filter Compatible with Pure Enrichment PureZone Elite 4-in-1 Air Purifier, Included 2 True HEPA Filter and 4 Carbon Activated Pre-filter.