Winix C555 Air Cleaner with PlasmaWave Technology

The estimated delivery time will be approximately 5 – 7 business days from the time of order.


  • True HEPA Air Cleaner with Advanced Odor Control (AOC) Carbon Filter and PlasmaWave® Technology
  • One Washable Fine Mesh Pre-Filter
  • 1 True HEPA Filter with Anti-Microbial Coating
  • 1 Washable Advanced Odor Control Carbon Filter


Product Features

  • Room Size

    The C555 is AHAM rated for 360 sq. ft. and is perfect for bedrooms, living rooms, and kitchens.
  • Air Quality Sensor

    The C555 air purifier consistently monitors the air around it; offering Set and Forget convenience by automatically adjusting your air cleaner settings to meet the needs of your environment.
  • Light Sensor

    Automatically lowers fan speed and dims the control panel display for quiet night time operation.
  • 4 Fan Speeds

    From Quiet mode for whisper low and energy efficient cleaning to Turbo for ultimate performance.

Product Technology

  • FineMesh Pre-Filter

    • The FineMesh Pre-Filter captures large particles like hair, carpet fibers and dust which extends the life of the AOCTM Carbon and True HEPA filters.

    Anti-microbial True HEPA Filtration

    • Captures 99.97% of airborne pollutants, pet dander and allergens as small as 0.3 microns. Anti-microbial coating reduces bacterial growth.

    Washable AOCTM Carbon Filter

    • The AOCTM is designed with granular activated carbon pieces to capture offensive smoke, cooking and other household odors. To optimize performance the AOCTM was also created to be washable, once every 3 months, for maximum effectiveness.

    PlasmaWave® Technology

    • Attacks pollutants at a molecular level to neutralize viruses, bacteria, chemical vapors, odors and gases in the air without producing harmful ozone.


The Costco Exclusive Winix C555 Air Cleaner with PlasmaWave® Technology combines smart sensors and a 5-Stage filtration system to deliver the cleanest air you can make yourself.  Washable Fine Mesh Pre-Filter; 99.97% efficient anti-microbial coated True HEPA Filtration; Washable Advanced Odor Control (AOC) Carbon Filter; and PlasmaWave® Technology offer optimal control of Household Odors, Pollutants and Allergens.

Accessories Included:

    • 1 Washable Fine Mesh Pre-Filter
    • 1 True HEPA Filter with Anti-Microbial Coating
    • 1 Washable Advanced Odor Control Carbon Filter
    • Remote Control



    • True HEPA Air Cleaner
    • PlasmaWave® Technology
    • 5 stage Filtration
    • Smart Sensors with Auto mode
    • AHAM Verified
    • Room Size: 360 Square Feet
    • Allergens Captured: pollen, mold spores, dust, pet dander, microbes and smoke
    • Number of Settings: 4
    • Wattage Required: 60


Filter Type:

    • True HEPA: Efficiency of 99.97% down to 0.3 micron and coated with anti-microbial treatment
    • Carbon Filter: Washable Advanced Odor Control (AOC) filter


Filter Life:

    • True HEPA: on average 12 months
    • Washable Carbon Filter: on average 12 months



    • UL/CUL Listed: Yes
    • CARB Compliant: Yes
    • Energy Star Qualified: Yes
    • AHAM Verified: Yes



  • Material: ABS
  • Voltage: 120
  • Hertz: 60
  • Power Consumption (Watts): 65
  • Dimensions: 14.9 W x 7.8 L x 23.6 H
  • Weight: 17.6 lbs
  • Made in South Korea
  • Warranty: 2 year limited warranty