General description Activated Carbon Filter for Dyson Purifier models HP04, HP05, TP04, TP05, and DP04. This filter features a 360-degree dual-stage sealed filter system, designed to enhance the performance of your air purifier by capturing a high percentage of airborne particles. Technical specifications Product Name: Air Purifier Filter Screen Scope of application: Compatible with TP04, HP04, DP04, TP05, HP05 Pure Cool Purifier Fans Activated carbon filter dimensions: 206 x 180 mm Material: Plastic Color: Black + Green Recommended replacement frequency: Every 8-12 months Other information Package Contents: 1 pair of filter screens Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.