This document is an operating instruction for the Philips Air Cleaner HR 4366/68. With this air cleaner, you can effectively improve the quality of the air you breathe at home and in the office by reducing indoor air pollution caused by pollen, dust, bacteria, viruses, fungi, moulds, yeasts, and smoke.
This manual explains how to install and use the Philips HR 4366 or HR 4368 air purifier in homes or offices. It describes the three‑stage filtration system (foam pre‑filter, HEPA/carbon filter, and active carbon filter) and gives recommended room sizes (up to 12 m² for HR 4366 and 22 m² for HR 4368).
Safety precautions, power‑on procedures, speed‑selector settings, and detailed filter‑cleaning and replacement steps are covered. Technical data such as power consumption, CADR values, and filter lifetime are listed for reference.
| Power consumption | 40 W (HR 4366) / 44 W (HR 4368) |
|---|---|
| HEPA/carbon filter lifetime | approximately 6 months |
| Number of replacement filters (HR 4990) | 12 filters |
Replace the HEPA/carbon filter at least every six months or when the filter‑full indicator shows the fourth (full) box.
The HR 4366 is suitable for rooms up to about 12 m² (≈30 m³).
No. The manual states the appliance must not be used outdoors or in a humid environment.