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Sharp® White Air PurifierEnergy Star
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Sharp® White Air Purifier

Model #: KC850U
At a Glance
The Sharp KC850U Plasmacluster Ion Air Purifier with True HEPA Filtration and Humidification offers a unique combination of air treatment technologies and a one-touch automatic air quality control system to make you and your family more comfortable all year round. The automatic air quality control system of this medium-sized room humidifying air purifier uses sensors to constantly monitor the air quality in your room, adjusting for air purity and optimum humidity level, and will also indicate when filters should be cleaned.
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Get to know this product.

  • Recommended for Medium-Sized Rooms up to 254 Square Feet
  • Plasmacluster Ion Technology Eliminates Microscopic Pollutants That Traditional Filters Cannot Trap
  • Proven Effective in Reducing Certain Germs, Bacteria, Viruses, Mold, and Fungus
  • True HEPA Filter Captures 99.97% of Particles as Small as 0.3 Microns
  • True HEPA Filtration is Ideal for Removing Common Household Allergens
  • Auto Mode Monitors Air Quality and Adjusts Air Purification and Humidity Levels, and Manual Setting has 3 Fan Speeds
  • ENERGY STAR® Rated, AHAM Verified Tested, California Air Resources Board (CARB) Certified

The KC850U helps remove pollutants and common allergens such as pollen, dust, pet dander, and smoke with an ultra-quiet fan that draws air through a three-stage filter system including a permanent micro-mesh pre-filter, washable activated carbon filter, and a long-life True HEPA filter, which captures 99.97% of particles as small as 0.3 microns from the air that passes through it.

The KC850U medium room air purifier with humidifying function also reduces germs, bacteria, viruses, odors, mold, and fungus by using patented Plasmacluster Ion Technology. This technology disperses positively and negatively charged ions throughout the room, which safely break down microorganisms and odors – even those trapped in fabric, carpeting, and drapery!

With its Plasmacluster Ion Technology, the KC850U air purifier is an ideal solution for pet owners, smokers, allergy sufferers, and asthmatics. And when used in humidify mode, the unit can help relieve congestion, cough, and dry and swollen nasal passages. It is best used in a medium-sized bedroom, living room, study, or exercise room.

In addition to auto mode, there are 3 manual fan speeds. The unit has LibraryQuiet™ operation (as quiet as 17 decibels, or the sound of rustling leaves) and is ENERGY STAR® rated, so you can run the unit continuously while saving money and energy.


Recommended Room Size

Square FeetUp to 254
Room TypeBedroom
AHAM Certified CADR: Dust/Smoke/Pollen164/164/174

Filter Types/Life

True HEPAUp to 5 years
Active Carbon FilterUp to 5 years - washable
Humidifying, Wick / WashableUp to 2 years


Water SupplyYes

Operating Modes

Clean AirYes
Room TypeYes
Light ControlYes

Fan Models/Speeds

3 Speed: (Low, Med, Max) Yes
Quick Clean Mode Yes
Auto Mode Yes
Pollen Mode Yes

Library Quiet Operation

Clean19 dBA on Low
Clean & Humidify23 dBA on Low

Replacement Filter

Deodorizing FilterFZ-C100DFU
Humidifying FilterFZ-C100MFU

Misc. Specs

Appliance ColorWhite
Color Finish NameWhite
Smart Home WifiNo
ENERGY STAR QualifiedYes
Manufacturer Warranty1 Year Parts & Labor
Wifi ConnectivityNo
Smart CompatibleNo
Wifi CapableNo
WarningProposition 65 Warning for California Residents