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  • Whirlpool Whispure Air Purifier, HEPA Air Cleaner, AP51030K
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Whirlpool Whispure Air Purifier, HEPA Air Cleaner, AP51030K

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List Price: $349.99
Price: $296.99 & FREE Shipping. Details
You Save: $53.00 (15%)
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  • Filters air 4.8 times per hour in a 500 square feet room
  • Quiet and easy to use electronic controls
  • True HEPA 0.3 micron filtration
  • Clean Air Delivery Rate (CEDR) 315
  • 4 Fan speeds, plus sleep and turbo modes
17 new 14 used from $250.28 1 refurbished from $189.99
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Frequently Bought Together

Whirlpool Whispure Air Purifier, HEPA Air Cleaner, AP51030K + Whirlpool 8171434K Large Air Purifier Carbon Pre-Filters, 4-Pack + Whirlpool 1183054K Hepa Filter, Large (Packaging May Vary)
Price for all three: $414.52

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This item: Whirlpool Whispure Air Purifier, HEPA Air Cleaner, AP51030K
Customer Rating (771) (407) (685) (104)
Price $ 296.99 $ 249.99 $ 119.99 $ 246.66
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Color White Multicolor Gray Black
Dimensions 27.2 inches x 12.3 inches x 22.1 inches 21.9 inches x 16.5 inches x 8.9 inches 24 inches x 19 inches x 9.8 inches 24.02 inches x 22.05 inches x 12.99 inches
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Color: White
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Product Details

Color: White
  • Product Dimensions: 12.3 x 22.1 x 27.2 inches
  • Shipping Weight: 23.4 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • Origin: China
  • Shipping Advisory: This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
  • ASIN: B00440EKRG
  • Item model number: AP51030K
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (771 customer reviews)
  • Amazon Best Sellers Rank: #5,254 in Home & Kitchen (See Top 100 in Home & Kitchen)
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Product Description

Color: White

The Whirlpool AP51030K features a three-stage filtration system comprised of a pre-filter, carbon filter, and true HEPA filter. The air purifier’s outside grill acts as a permanent pre-filter by capturing large particles and preventing them from entering the unit. Large particles that find their way inside the unit are promptly caught by the carbon filter, which also works to eliminate unwanted odors and protect the life of the HEPA filter. At the heart of the Whirlpool Whispure 510 is true HEPA filtration. HEPA filters provide maximum filtration of your room's air by removing up to 99.97% of particles that are 0.3 microns and larger. These particles include pet dander, dust mites, pollen, ragweed, mold spores, and other microscopic irritants that can damage your indoor air quality and aggravate allergy and asthma symptoms.

Customer Reviews

It's like white noise.
Valerie C
Would recommend it for anyone that suffers airborne allergies.
Mr D.
Even on the highest setting it is very quiet.

Most Helpful Customer Reviews

808 of 828 people found the following review helpful By Kouzelna on November 6, 2010
Color Name: White
To answer some questions in other reviews:


The following Whirlpool models are both still available, (as is a third less powerful model, the 250, which uses different sized filters):

Whirlpool Whispure 450 Air Purifier (AP45030K), also 315-CADR
Whirlpool® Whispure 315-CADR Air Purifier with True HEPA Filter, AP51030K (this page)

Both of these models use the same replacement filters:

Whirlpool 8171434K Large Air Purifier Carbon Pre-Filters
4-Pack and the Whirlpool 1183054K Hepa Filter, Large (links below)


The Clean Air Delivery Rate (CADR) comes from measurements conducted by the Association of Home Appliance Manufacturers (AHAM), and is a measure of the amount of particle-free air being delivered into the room. It is the best measure of the true cleaning capacity of the air cleaner. The higher the CADR, the larger the room that can be effectively cleaned. A loose equation is: CADR x 1.5 = sq. ft. room size.

This is important because manufacturers can list any "room size" rating they choose, regardless of CADR rating. Thus you might have one product claiming it can effectively handle a 400 sq. ft. room, while another product says it can handle a 200 sq. ft. room, yet both have the same CADR ratings. So always use CADR ratings rather than room size ratings in making your comparisons.

That said, air cleaners are usually advertised with the room size for which they are recommended. If this accurately matches about 1.
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735 of 772 people found the following review helpful By Filterkid on November 28, 2011
Color Name: White Verified Purchase
Let me preface this by saying my profession is industrial filtration. I sell air filters and air cleaning devices to huge manufacturers so I have broad experience in air filtration technologies. When I saw this air cleaner, I was very impressed. This is one of the few that actually has a legitimate HEPA filter. Most claim to stop "99% of allergens", which really means nothing unless they tell you the size particle and percentage it stops of that particle. The Whirlpool Whispure Air 510 has a fantastic HEPA filter. It genuinely does what it says it will do. The pre filter is pretty useless, but it will keep the pet hair out of the HEPA. If you are buying this to elimiate odor with the "carbon pre filter", you will be sadly disappointed. There is not enough carbon in the filter to stop the odor from a single dinner. As far as particulate capture goes, the HEPA filter does an awesome job.

When I plugged the unit in, I was very impressed with the volume of air it moved and how quiet it was. If you put this in a small/medium size bedroom, you will do a great job and "cleaning" the air. The controls were laid out well. The brightness on the buttons was not so bright that you would have a night light in your room either. It comes with 4 different speed settings which was a nice feature. All in all it is a very well built and functional unit.

Ultimately I ended up returning the unit. Everything about it was exactly what I wanted except one thing...it acted like a portable space heater! The unit itself does not require very much power, but the heat it generates will cost you more in air conditioning. I put the unit in a 12x12 bedroom and let it run for a couple of hours while I was gone. When I returned home, the bedroom was several degrees hotter than the rest of the house.
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239 of 249 people found the following review helpful By J. Ratliff on December 29, 2010
Color Name: White Verified Purchase
I purchased this unit after doing TONS of research and upon the recommendation of a major consumer testing and reporting magazine. My first impression of the unit was that it was way too big to fit unobtrusively in my living room; however, because the air is pulled in through the front grill and discharged from the top of the unit, I was able to push the purifier up against the wall to save space.

The controls are simple to use. I find there to be plenty of options for fan speed (noise control). On the lowest setting I can watch TV at normal volume levels with the unit sitting three feet from me. After leaving the room it's easy to ratchet it up to the TURBO mode which I leave it on most of the time when not using the living areas. I appreciate the indicators which tell you when the filter needs replacing, and roughly where it is at in terms of its lifespan (there are five lights to represent HEPA and pre filter status). I also appreciate the 5 year limited warranty that comes with the unit (see brochure for details).

After 2.5 months of use I find that there is a noticeable difference in the quality of the air. It feels fresher, smells cleaner, and I can't see dust flying through the air (which was a usual occurrence before the filter). At first I was hesitant to spend so much on a purifier which required an on-going investment each year; however, after spending 2.5 months with the first unit I'm going to order a 2nd unit for my bedroom. I don't have allergies, but feel that the investment is well worth the reduced dusting, potential health benefits, and quality construction of the unit itself.

UPDATE #1: After nearly 3 years both of my units are still going strong.
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