[Perfect fit]: HP02 HEPA Filter Replacement Compatible with Dyson DP01 DP02 DP03, HP00, HP01, HP02, HP03 Air Purifier, Pure Hot + Cool Link Air Purifier Filter. [Premium HEPA Filter]: Has a removal efficiency of over 99.7% for particles with 0.3 microns in diameter (1/200 of the diameter of a hair) and is the most effective filtration medium for smoke and dust. [HEPA filter dimensions]: L8.3 x W8.3 x H5.9. For best performance, we recommend replacing HEPA HP02 filters once every 6-8 months. Contains 2 packs. [Ideal Design Composition]: Our HP02 filter adopts advanced low energy consumption, low density structure, with less pressure to ensure maximum air filtration, make the environment fresher and cleaner, and improve sleep quality. Size: 21.2x15cm Material: Composite material Color white Package content: 2 x Filter Items Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.