dyson pure hot+cool advanced technology dyson hpo4 pure hot+cool purifying • intelligently purifies all year round • control with the dyson link app • sealed filter with 60% more hepa media and 3x more activated carbon than previous model • ideal for larger spaces such as living rooms • automatically senses and reports air quality levels on an lcd display airflow throughout the room see how the pure hot+cool purifying heater and fan captures ultra-fine pollutants from the air dyson pure hot+cool • projects purified air across the room