Replacement HEPA Filter for Philips 800 Series Air Purifier 3 Layer Activated Carbon 1. Filters ultra-fine particles of up to 0.003 μm out of the air, including bacteria, dust, allergens and some viruses. 2. High filtration efficiency, as the air is passed evenly through the filter. 3. Service life up to 12 months (depending on usage intensity). Compatible With:for Philips 800 Series AC0820/30 AC0820/10 FY0293 AC0819 AC0830 Air Purifier Colour: Black + White Material: Plastic Package Contents: 1Pcs HEPA 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.