Feature:1. Wide Compatibility: Air purifier filter works fully compatible for HP03 HP00 DP03 DP01. Our air purifier filter replacement improves air quality and promoting better health and well being for you.2. 3 Stage Filtration System: Nylon preliminary filter removes large impurities. H13 grade true high efficiency particulate air filter takes out 99.97% of airborne substance down to 0.03 microns in size. Activated carbon filter with strong ability to absorb unpleasant smell, etc.3. Long Lifespan: Our air purifier filter replacement adopts advanced lower energy consumption and lower density structure technology verified by the manufacturer to ensure maximum filtration. And the electrostatic electret filter technology which used in non woven fabric ensures energy saving and a longer service life.4. Efficient Filtration: Our replacement filter takes out 99.97% of the suspended as small as 0.03 microns such as hair, dander and removes unpleasant odors and wildfire gases. Besides, it can effectively reduce the running noise. We aim to create a comfortable environment for those who want to breathe clean air and meet the demand of your daily life.5. Easy to Install: Size is 8.7x8.7x6.3in. We recommend you to replace the filter every 3-6 months for optimal performance (depending upon your usage and environment). Easy installation. Simply remove and replace from your machine unit when needed.Specification:Item Type: Air Purifier Filter ReplacementMaterial: ABS, Nylon, Activated CarbonWeight: Approx. 410.00g / 14.46ozProduct Size: Approx. 22x22x16cm / 8.7x8.7x6.3in.Package List:1 x Air Purifier Filter Replacement