Philips Air Purifier AC4221, Covers Large Rooms to 156m² (1670 sqft) | 600m³/h CADR | Dual Fan, Quiet with SilentWings | 4-Layer HEPA NanoProtect | AeraSense Sensors: PM2.5/Gas/Temp/Humidity | Air+App

Philips Air Purifier AC4221, Covers Large Rooms to 156m² (1670 sqft) | 600m³/h CADR | Dual Fan, Quiet with SilentWings | 4-Layer HEPA NanoProtect | AeraSense Sensors: PM2.5/Gas/Temp/Humidity | Air+App

• Our Best Purifier - Quiet & Energy Efficient - With 600 m3/h CADR, the AC4221 covers rooms up to 1679 sqft (156 m2 NRCC) or 780 sqft (72 m2 GB/T), delivering serious purifying power.
• Quiet Even at Maximum Power with SilentWings - Stay quiet even on Turbo power, so purification never disrupts your day.
• AeraSense Smart Sensing with Color AQI Indicator - Tracks PM2.5, Gas, Temperature, and Humidity in real time, with a color-changing light ring that glows blue for clean air and red as pollution rises, plus an exact PM2.5 number on display.
• Track Both Indoor & Outdoor Air Quality with the Air+ App - See PM2.5, allergens, and outdoor pollutants like NO2 and pollen, right from your phone, with Auto mode adjusting performance for you automatically.
• App Control - Turn the device on/off, change fan speed, enable Silent Mode, set Child Lock, and get filter alerts, all from wherever you are.
• 99.99% Allergen Removal - Helps protect allergy sufferers by removing dust, pollen, and pet dander from your air.
• Red Dot Winner 2025 & iF Design Award 2026 - The 4200 Series stands out with internationally recognized design, matching serious purifying power with a striking look.
• India's No. 1 Air Purifier Brand* *Source: Euromonitor International Limited, Consumer Appliances 2026 edition, per air purifiers category definition, retail volume sales in units, 2025 data.”
• Backed by 80+ Years & Independent Science - From a trusted health brand with 80+ years in air purification, proven effective in independent studies including research with Technical University Munich and NHS-collaborated clinical testing.
• Philips Air Purifier AC4221, Covers Large Rooms to 156m² (1670 sqft) | 600m³/h CADR | Dual Fan, Quiet with SilentWings | 4-Layer HEPA NanoProtect | AeraSense Sensors: PM2.5/Gas/Temp/Humidity | Air+App : Amazon.in: Home & Kitchen