Advanced purification technology: HEPA-13 and activated carbon work together to make it easier for you to breathe. Purify household : The filtration area is up to 615 square feet or 126 square feet per hour, and pollen, tobacco, smoke and dust are filtered according to AHAM certified clean delivery rate. Reduce odor: Activated carbon filter layer helps to reduce unpleasant odor. Prolonging filter life: The 3-in-1 filter can last for at least 8 months in 24/7 ecological mode. Filter Replacement Indicator: Our purifier measures the exact usage of your filters and lets you know when you need to replace them for the best results. material: plastic Color as shown Easy to install: the filter is suitable for the purifier series suitable for rooms; It only takes a few seconds to replace. Package Contents: 1 x filter element Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.