About this item
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.
4-Layer HEPA NanoProtect Filtration - Prefilter, HEPA NanoProtect, and 2x Active Carbon layers capture 99.97% of particles down to 0.003 microns, 100x smaller than standard HEPA filters. Uses an electrostatic charge to attract pollutants, cleaning up to 2X more air than traditional HEPA H13 filtration, for the biggest impact.
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.
Features & Specs
Power Source TypeCorded Electric
Control MethodApp, Touch
Filter TypeHEPA
Floor Area700 Square Feet
Noise Level51.5 Decibels
Controller TypeAmazon Alexa, Google Assistant
Contaminant Filtration CapabilityDust, Pet Dander, Pollen, Viruses
Special FeaturesSmart App Control, Silent Operation
Measurements
Item Dimensions D x W x H28.5D x 28.5W x 52H Centimeters
Item Weight6.3 Kilograms
User guide
Specification MetRoHS Certified
Additional details
ColourMetallic
Item details
Brand NamePHILIPS
Model NumberAC4221/61
Manufacture Year2024
Number of Packs1
Unit Count1.0 Piece
ManufacturerPhilips, Philips Domestic Appliances
Country of OriginChina
Importer Contact InformationVersuni India Home Solutions Ltd.
Included ComponentsAir Purifier, 2 x HEPA + Double Carbon Combi Filter
Item Type NameAir Purifier
Manufacturer Contact InformationPhilips
Packer Contact InformationVersuni Home Solutions, China B.V
Part NumberAC4221/61
Best Sellers Rank
#10,436 in Home & Kitchen (See Top 100 in Home & Kitchen)
#9 in HEPA Air Purifiers
ASINB0DB83DSSJ
Customer Reviews4.6 4.6 out of 5 stars   (153)
4.6 out of 5 stars