PureZone Filter Compared: HEPA Power, 2-Pack Value... Surprising Air Insight! We were thrilled to test the Pure Enrichment Genuine 3-in-1 True HEPA Replacement Filter (PEAIRPLG) - 2 Pack for our PureZone Air Purifier. The True HEPA filtration lived up to its promise, effortlessly trapping particles as small as 0.3 microns with quiet efficiency. What truly impressed us was the 2-pack convenience—it’s rare to find such value in replacements. Changing the filters was straightforward, and the purifier’s airflow remained strong even after extended use. While we missed a longer runtime estimate in the specs, the cost-performance ratio was hard to beat. Over time, owning both filters means fewer interruptions and consistent air quality. It’s worth noting that the activated carbon layer noticeably freshed our space after installation. For anyone seeking reliable, high-value purifier care, this 3-in-1 True HEPA set delivers surprising peace of mind.