Compatible: True HEPA Air Purifier Replacement Filter Activated Carbon & 4 in 1 stage filtration system.Compatible with HSP002 Smart True HEPA Air Purifier 2.0 Aldehyde removal PM2.5 filter. ELIMINATES SMELLS AND ODORS TOO: Apart from removing particulate matter from air, our activated charcoal filters help reduce smells and odors from your home. They are great for pet odor, smoke, kitchen smells, and more. If you live with a smoker, they are definitely a must-have. Environmentally friendly: The Air purifying filters Allows low energy consumption with its advance low dense structure, it ensures maximum filtration with less pressure, making the air clean and ultimately making the environment beneficial. It is recommended that the air filters be replaced every 6 to 8 months, depending on how often they are used. Improved carbon filter: Our activated carbon filter has more carbon content than other carbon filters on the market, and microporous zeolite can improve performance. Our unique honeycomb carbon filter is designed for larger surface absorption, which can target more odors, gases and smoke, while being lasting. 4 in 1 stage filtration system: Our 4-stage HEPA filter has polypropylene pre-filter, H13 grade HEPA filter, activated carbon filter and nano-cold filter. The filter also targets all common air pollutants, such as pollen, pet dander, volatile organic compounds, tobacco smoke, peculiar smells, etc. Color: as shown Material: composite material Package Contents: 1 x filter 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.