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5.00 out of 5

The WINIX P450 Air Purifier combines advanced air cleaning technologies designed to capture Dust, Pollen, Pet Dander, Smoke, Mold Spores, Organic Chemicals, and Household Odors and is best used in large living spaces or offices. Bolstering 3-stage Filtration with Activated Carbon Pre-Filter, 99.97% True HEPA Filter and WINIX PlasmaWave® Technology.

pdf-flatPDF Manual

In stock

SKU: 113200 Categories: ,
Weight 18.7 lbs
Dimensions 11.7 × 18.8 × 25.6 in


AHAM Verified Room Size

450 sq. ft.

CFM (Low / Med / High / Turbo)

50 / 110 / 175 / 290

CADR (Dust / Pollen / Smoke)

298 / 343 / 291


3 Year


3 Stages

Smart Sensors

VOC Sensor

Remote Control



27.0 dB


110 W

1 review for P450

  1. Lukecis (verified owner)

    I bought the Winix P450 at half price during the 2020 new year sale and it’s easily one of the best performing air purifiers on the market at such an insanely low price of 149$ It’s CADR, Hepa/carbon Plasmawave filtration system will easily match if not out perform any other purifier at such a low price point, easily recommended at such a price point, it’s also worth noting you can buy U450 filters (premium cassette-style filtration system with added perks) for a 40$ price-hike and those will also fit into the P450.

    My unit arrived with no damage, and everything working perfectly, on the date they said it would arrive, no problems encountered thus far.

    The unit is extremely quiet (like it doesn’t even exist on low-medium settings) it becomes noticeable at high, and slightly loud/annoying at ‘turbo’ though not enough to warrant not using turbo or leaving the room.

    The manual fails to mention that to turn the “Plasmawave Hydroxyl Generator” OFF you must hold down the ‘auto’ button for 3~5 seconds, this will turn it off and you will know by the LED for the plasmawave turning off, many people don’t like to have their ionizer/hydroxyl generator on all the time because there’s rumors and worries about the Electric vaporizer igniting flammable gasses, or that it generates Ozone- But rest at ease about the ozone as it complies with pretty much every nation and state’s laws in the world on ozone emissions (lower than 0.05 ppm) and has received official certifications by multiple industry standard checking groups (AHAM and others) but in any case you can turn it off if it worries you.

    I recommend running the P450 at least on medium fan settings, as “quiet” (the default while on auto-clean-air) barely puts out any air, I’m pretty sure a human could blow air harder than it’s “quiet” setting. Preferably run on turbo- as that’s what all the Clean Air Delivery Rate (CADR) numbers on the specification page are tested at, as well as it’s 450 SqFt certified room/building size, anything that isn’t turbo is slightly less.

    Overall an amazing product at the price of 149$ I would recommend this to literally anyone in the world, especially if you live in a major metropolitan city!

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