To replace your HEPA and activated carbon filters. For TP04 HP04 DP04 TP05 HP05 pure cool purifier fans only 360 degree glass HEPA filter pleated more than 238 times, to capture 99.97% of particles as small as 0.3 micrometers Easy to replace, it will extend your using time. Item Type: Air Purifier Filter. Main Function: Filter Dust Color: As shown Material: Plastic Package Contents: 1 Set x Air Purifier Filter 1 x Clean Brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.