Glass HEPA Filter: We recommend replacing it every 12 months when using for 12 hours Activated Carbon Filter: We recommend replacing it every 6 months when using for 12 hours Easy to replace, it will extend your using time. Pure Cool DP04 Dual Stage 360 Degree Filtering System for HP04, TP04 and DP04 Purifiers. Fit for Pure Cool DP04 Air Purifier and Fan, Pure Hot + Cool HP04 Air Purifier, Pure TP04 Air Purifier and Tower Fan. Color: White + Black Material: Plastic Size: Height: 22cm Diameter: 21cm Package Contents: 1 * Pair HEPA Filter Glass 1 * Pair of Filters 1 * Brush 1 * Screwdriver 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 allowed error is +/- 1-3 cm.
