Philips AC4221 Smart Air Purifier

Coverage Area: Up to 72 m² / 700 ft² – ideal for living rooms, large bedrooms, or open-plan areas

Clean Air Delivery Rate (CADR): 600 m³/h – purifies a 20 m² room in under 5 minutes

Filtration System: 4-stage filtration — Pre-filter, NanoProtect HEPA, double Activated Carbon

Particle Removal Efficiency: Removes 99.97% of particles as small as 0.003 µm, including allergens, dust, pet dander, bacteria, viruses, and harmful gases

Noise Levels: Operates as quietly as 15 dB(A) in Sleep mode; remains 50% quieter even at higher speeds

Power Consumption: Max 54 W; <2 W in standby mode

Smart Sensors: PM2.5, gas, temperature, and humidity sensors scan the air 1,000 times per second

Air Quality Display: Real-time PM2.5 digital display with intuitive color-coded air quality ring

Operating Modes: Auto+, Sleep, Manual, and app-based scheduled modes (Fresh Wake, Bedtime)

Connectivity: Wi‑Fi enabled with full control via the Philips Air+ app

Voice Control: Works with Google Assistant and Amazon Alexa

Dimensions: 52 × 28.5 × 28.5 cm

Weight: Approx. 6.5 kg

Filter Life: Up to 9,000 hours (~1 year), with smart replacement alerts

Eco-friendly Design: Made from over 30% recycled plastic; RoHS compliant; 100% ozone-free operation