This is a user manual for an air purifier, which mainly introduces the product's safety, installation, use, cleaning, and filter replacement.
This manual explains how to register your Philips AC4025 device online at www.philips.com/welcome and includes warranty information. It also lists the key technical specifications such as voltage, frequency and power consumption.
Additional sections cover safety notices, HEPA filter information, and contact details for Philips support. This manual is written in Chinese.