General description Premium replacement HEPA carbon filter designed for Dyson Pure Hot + Cool HP04, Pure Cool TP04, Pure Cool DP04, and Tower Fan models TP05 and DP05. This filter system features a dual-layer filtration process that effectively traps airborne particles and eliminates unpleasant odors. Technical specifications Compatible models: TP04, HP04, DP04, TP05, DP05 Filter type: H13 True HEPA and activated carbon Particle size filtration: 99.7% of particles as small as 0.3 microns Dimensions: Measurement allowed error is +/- 1-3 cm Material: Plastic Installation Place the buckle side of the carbon filter up during installation. Reset the filter after installation: Press and hold the "Oscillation" button for 5 seconds until the countdown reaches 1 for the carbon filter. For the HEPA filter, press and hold the "Night Mode" button on the remote control until the screen counts down from five. Usage It is recommended to replace the filter every 12 months, depending on usage. Other