Dyson Purifier Humidify+Cool Formaldehyde™ PH04 (White/Gold)

The Dyson Purifier Humidify+Cool Formaldehyde™ PH04 is a premium 3-in-1 solution designed to purify, humidify, and cool your home automatically. It captures ultrafine pollutants, removes allergens, regulates humidity, and detects & destroys formaldehyde using Dyson’s advanced catalytic oxidation filter.

With Air Multiplier™ technology, purified and humidified air is projected across the whole room, ensuring even circulation. Jet Axis control, app connectivity, voice control, night mode, and a hassle-free deep clean cycle make PH04 one of Dyson’s most advanced air-treatment systems for homes that demand cleaner air and ideal humidity levels.

Condition: Outlet-A Grade

This item is previously used and has passed a rigorous testing and inspection process. Its cosmetic condition is "excellent" with very minor marks or blemishes, if any. It is not under manufacturer warranty but is covered by our 90 day warranty.

Key Features

• 3-in-1 design: Purifier, humidifier and fan combined in a single unit.
• Destroys formaldehyde: Dyson’s catalytic filter continuously breaks down formaldehyde into water and CO₂.⁺
• Whole-room purification and humidification: Air Multiplier™ technology circulates purified, humidified air throughout the room.⁸
• Cools you when needed: Delivers a refreshing stream of purified, humidified airflow.³
• Auto mode: Monitors air quality and humidity, then adjusts airflow automatically to maintain optimal conditions.
• Up to 36 hours of continuous humidification: Efficient water management and a 1-gallon tank provide long-lasting comfort.¹⁶
• Deep clean cycle: A guided monthly cleaning program to remove mineral buildup and maintain hygienic performance.
• Easy filter maintenance: Built-in reminders let you know when it’s time to change your HEPA + Carbon filter.
• MyDyson™ app control: Monitor air quality, view history, and control your machine remotely.⁵
• Voice control: Works with Amazon Alexa, Siri, and Google Assistant for hands-free operation.⁵
• Night mode: Purifies and humidifies using the quietest settings with a dimmed display for better sleep.
• Jet Axis control: Dual oscillators allow directional or combined airflow modes for precise comfort.
• Breeze mode: Varies airflow with unique algorithms to mimic a natural, refreshing breeze.
• Backward airflow mode: Purifies and humidifies without cooling—ideal for cooler seasons.

What's in the Box

• Dyson Purifier Humidify+Cool Formaldehyde™ PH04 (White/Gold)
• Remote Control
• 360° Glass HEPA + Activated Carbon Filter

Technical Specifications

⁺Destroys formaldehyde continuously using Dyson’s catalytic oxidation filter. ³Cooling effect may vary based on room temperature and humidity. ⁵Requires MyDyson app, Wi-Fi connection, and compatible device. ⁸Tested for whole-room purification coverage in a specified test chamber. ¹⁶Humidity duration depends on settings, environment, and usage.