Features: 1,Carbon Filter for TP04/HP04/DP04/TP05/HP05 Pure Cool Hepa Purifier Sealed Two Stage 360 Degree Filter System 2. 360 Degree glass HEPA filter 3. pleated over 238 times, to capture 99.97% of particles as small as 0.3 microns 4. Easy to Replace,It extend your for purifiers Using Time. Specifications: Product name: filter screen of air purifier Scope of application: For TP04 HP04 DP04 TP05 HP05 pure cool purifying fans only HEPA filter: it is recommended to replace it every 10-12 months HEPA filter screen: 220 x 210mm Material: plastic colour: Blue+White Package Contents: 2 pair x filter screen 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.