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GermGuardian Desktop Air Purifier for Home, H13 HEPA Filter, Removes Dust, Allergens, Smoke, Pollen, Odors, Mold, UV-C Light Helps Reduce Germs, 11 Inch, Silver, AC4100

4.5 4.5 out of 5 stars 6,566 ratings

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AC4100

Purchase options and add-ons

Color Grey
Brand GermGuardian
Product Dimensions 7.75"D x 6.5"W x 11"H
Floor Area 338 Square Feet
Specification Met CARB Certified
Power Source
Corded Electric
Item Weight
5.2 Pounds
Control Method
Touch
Filter Type
HEPA, Charcoal, UV-C

About this item

  • 3-IN-1 DESKTOP AIR PURIFIER - True HEPA air filter reduces up to 99.97% of harmful germs, dust, pollen, pet dander, mold spores, and other allergens as small as .3 microns from the air
  • COMPACT DESIGN - 11-inch tabletop purifier is perfect for smaller rooms or offices and fits great in small spaces
  • KILLS GERMS - UV-C light helps kill airborne viruses such as influenza, staph, rhinovirus, and works with Titanium Dioxide to reduce volatile organic compounds
  • TRAPS ALLERGENS - Pre-filter traps dust, pet hair, and other large particles while extending the life of the HEPA filter
  • REDUCES ODORS - Activated charcoal filter helps to reduce unwanted odors from pets, smoke, cooking fumes, and more

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From the manufacturer

GermGuardian AC4100 Air Purifier

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GermGuardian Desktop Air Purifier with HEPA Filter and UV-C Germ Guardian Filter E Genuine HEPA Replacement Filter for AC4100 Air Purifier GermGuardian Genuine Carbon Filter Replacements 4 Pack
Customer Reviews
4.5 out of 5 stars
6,566
4.8 out of 5 stars
5,018
4.4 out of 5 stars
195
Model AC4100CA FLT4100 FLT11CB4
Filter Description HEPA Pure Filter Removes 99.97% of particles down to 0.1 microns such as dust and allergens. HEPA Pure Filter Removes 99.97% of particles down to 0.1 microns such as dust and allergens. The carbon filter attacks smoke, cooking and pet odors along with harmful VOC's. It helps to lengthen the life of your HEPA filter.

Product Description

The deskThe desktop Air Purifier with HEPA Filter is perfect for any small size room. The HEPA filter captures 99.97% of dust and allergens as small as 0.1 microns in size such as household dust, pet dander, mold spores, and plant pollens! This compact air purifier circulates the air 1x per hour in 338 square foot rooms and 4.8x per hour in 78 sq. ft rooms, ensuring thorough purification.The carbon layer helps reduce odors created from smoking, cooking, pets, and more. The UV-C light helps reduce airborne bacteria, viruses, mold spores* and works to reduce volatile organic compounds. It is equipped with 3 speed settings.*Tested with Staphylococcus Albus, and Escherichia Coli, Aspergillus Niger, and Phi-X174.top Air Purifier with HEPA Filter is perfect for any small size room. The HEPA filter captures 99.97% of dust and allergens as small as 0.1 microns in size such as household dust, pet dander, mold spores, and plant pollens! The carbon layer helps reduce odors created from smoking, cooking, pets, and more. The UV-C light helps reduce airborne bacteria, viruses, mold spores* and works to reduce volatile organic compounds. It is equipped with 3 speed settings.*Tested with Staphylococcus Albus, and Escherichia Coli, Aspergillus Niger, and Phi-X174.

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 7.75 x 6.5 x 11 inches; 5.15 Pounds
  • Item model number ‏ : ‎ AC4100
  • Date First Available ‏ : ‎ August 27, 2012
  • Manufacturer ‏ : ‎ Guardian Technologies
  • ASIN ‏ : ‎ B00G7VNO86
  • Country of Origin ‏ : ‎ China
  • Customer Reviews:
    4.5 4.5 out of 5 stars 6,566 ratings

Product guides and documents

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GermGuardian Desktop Air Purifier for Home, H13 HEPA Filter, Removes Dust, Allergens, Smoke, Pollen, Odors, Mold, UV-C Light Helps Reduce Germs, 11 Inch, Silver, AC4100
GermGuardian Desktop Air Purifier for Home, H13 HEPA Filter, Removes Dust, Allergens, Smoke, Pollen, Odors, Mold, UV-C Light Helps Reduce Germs, 11 Inch, Silver, AC4100
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Price-49% $53.90
List:$104.99
$69.98-10% $36.22
Typical:$40.20
$49.99$44.86$99.96
Delivery
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Get it as soon as Thursday, Mar 28
Get it as soon as Wednesday, Mar 27
Customer Ratings
Noise level
3.3
3.3
4.1
4.4
3.7
4.1
For small spaces
4.3
4.3
4.3
4.5
4.3
Odor elimination
4.2
4.2
3.5
3.9
Sleep mode
3.9
3.9
4.4
4.3
Easy to use
4.7
4.5
4.7
Sold By
Amazon.com
Amazon.com
Amazon.com
Amazon.com
Amazon.com
AFLOIA DIRECT
filter type
HEPA, Charcoal, UV-C
HEPA, Carbon, UV-c
HEPA
Activated Carbon
UV Light
HEPA
floor area
338 square feet
66 square feet
50 square feet
240 square feet
50 square feet
1076 square feet
control method
touch
touch
touch
touch
touch
touch
power source
Corded Electric
Corded Electric
ac
AC
Electric
ac
particle retention size
0.1 micron
0.3 micrometer
0 micron
0.3 micron
noise level
55 decibels
55 decibels
0 decibels
27 decibels
22 decibels

Important information

Wattage

2 watts

Legal Disclaimer

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Customer reviews

4.5 out of 5 stars
4.5 out of 5
6,566 global ratings

Customers say

Customers like the performance, quality and size of the air purifier. For example, they mention it works well, does a good job of filtering the air and is small enough to fit anywhere. That said, opinions are mixed on noise, smell and air flow.

AI-generated from the text of customer reviews

682 customers mention522 positive160 negative

Customers like the performance of the air purifier. They mention that it works pretty well, has zero problems with operation, and the UV bulb is still working. Some say that the unit itself is great and the bulb works instantly.

"...used it for 2 months I must say it does filter the air well and do its intended job...." Read more

"...Works well but the fan is loud even at the low speed, 47db according to my sound level app...." Read more

"...I take this as a good sign that it is still operating well...." Read more

"...this is doing anything more than serving as an expensive and poorly performing fan...." Read more

594 customers mention488 positive106 negative

Customers like the quality of the air purifier. They say it does a good job of filtering the air, keeping it fresh, and providing white noise. Some say that it keeps their room nice and clean of dust. Overall, most are satisfied with the product's quality and performance.

"...Overall, extremely well made product that has helped my health tremendously! I will be a future customer for life! THANK YOU GERM GUARDIAN!" Read more

"...Some positives: Quality seems good. It has a sturdy metal case, and the knob seems like it will last for years to come...." Read more

"...its lite and clean, way better than without it. so we decided to get a few more filter fans for the other rooms...." Read more

"...But I really like the simplicity of it and the fact that you can dust vacuum the filter...." Read more

282 customers mention239 positive43 negative

Customers like the size of the air purifier. They say it's small enough to take to a hotel, has the smallest footprint, and is great for a small room. The design is very modern and fits anywhere. It uses a standard filter size, making replacements easy to acquire. Overall, customers are happy with the size and quality of the product.

"...The case lines up, the filter guard fits snug as it should.More importantly this unit has no vibration!..." Read more

"...Small enough to place on our refrigerator and reach the front controls unlike other small air filters that have the controls on the top which would..." Read more

"...Uses a standard filter size so replacements should be easy to acquire...." Read more

"...its lite and clean, way better than without it. so we decided to get a few more filter fans for the other rooms...." Read more

265 customers mention203 positive62 negative

Customers like the value of the air purifier. They say it does a decent job for the money, and the value to performance ratio is amazing. Some customers are satisfied with performance and value, and mention it's a wonderful product.

"...over time because I do think they work well and the filters are reasonably priced and easy to replace.Best of luck!" Read more

"...It's an investment in one's self. Wonderful product. Very effective. Strong air throughput; UV light is an outstanding secondary deactivator/filter...." Read more

"...100% satisfaction with performance and value...." Read more

"...for me to tell if this is doing anything more than serving as an expensive and poorly performing fan...." Read more

167 customers mention163 positive4 negative

Customers are satisfied with the health benefits of the air purifier. They mention that it helps with allergies, captures 99% of allergens, and eliminates odors. Some say that it has helped their pets improve and that it makes a noticeable difference in asthma incidents. Overall, most are happy with their purchase and recommend it to others.

"...Overall, extremely well made product that has helped my health tremendously! I will be a future customer for life! THANK YOU GERM GUARDIAN!" Read more

"...UV Air Sanitizer, Ion Purifier and Fan - Permanent Filter - Eliminates all germs, odors, allergens and pollutants]]..." Read more

"...More importantly: no colds or asthma related afflictions since I bought it!! Minimal eye discomfort...." Read more

"...Overall, I am happy with this purchase has helped with my allergies and my asthma totally worth it...." Read more

967 customers mention380 positive587 negative

Customers are mixed about the noise of the air purifier. Some mention that the noise is minimal, and not terribly annoying. They also say that it blocks out other sounds when they use it to sleep. However, others say that the second setting is even louder than the first.

"...It is definitely NOT quiet though. On medium, it is too much for me to have a phone call in the same room...." Read more

"...I couldn't believe the difference, it is so quiet compared to the old unit. On low I can't even tell its on when next to me watching tv...." Read more

"...Be aware, some may say that it runs a little loud...." Read more

"...There is some white noise with this machine, but it blocks out other sounds when I use it to sleep so I don't mind...." Read more

406 customers mention265 positive141 negative

Customers are mixed about the smell of the air purifier. Some mention that the smells are gone and allergies are improved, while others say that it has the typical heavy electronic smell.

"...The air smells fresh, crisp, and CLEAN!..." Read more

"...It also does a great job of removing odors for the first few months of the filter's use...." Read more

"...the emits "OZONE" as a by product as it is very, VERY bad for you and your lungs...." Read more

"...This purifier has reduced the smell of cat litter to the level that it goes unnoticed by me...." Read more

112 customers mention47 positive65 negative

Customers have mixed opinions about the air flow of the air purifier. Some mention that it circulates the air well, blowing a surprising amount of air that can be felt several feet away. However, others say that it blows air to the left, does not blow uniformly out of the front of the filter, and does not have an airflow.

"...Note: the air does blow out at an angle - probably 45 degrees - it does not blow out straight...." Read more

"...I can tell you that it does circulate the air well because when turned all the way up it produces airflow from the front of the unit that had me put..." Read more

"...I would note that air does not blow uniformly out of the front of the filter...." Read more

"...2 years of continued running, and to this date, it's still pushing out a strong breeze...." Read more

A little bummed out
3 Stars
A little bummed out
I can’t say whether this works well as I’ve just received it but the build quality it cheap plastic. I don’t mind that so much but thought it point it out. Typical made in China quality we’ve all settled for.But my main gripe is the loudness. This is not quite. I think the reviewers who said it was might need their hearing check. At the lowest fan speed it registers 62bd. Cranking up to three increased the volume to over 70db. It won’t hurt your hearing but it some like you’ve left the bathroom fan on. I’m in the other room and I can hear it. My hope was to have this running in my bathroom 24-7 as I have a kitty litter box in there and thought the triple filtering would help but I don’t wan to hear this thing all day. I’m bummed out. It will have to be something I turn on when I think the bathroom needs some freshening.Glad I got this on sale. If I’d paid full price I would return it. Too noisy for $100. Tolerable for $50.
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Top reviews from the United States

Reviewed in the United States on May 11, 2016
Style: AC4100Verified Purchase
30 people found this helpful
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Reviewed in the United States on September 19, 2023
Style: AC4100Verified Purchase
4 people found this helpful
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Reviewed in the United States on October 30, 2023
Style: AC4100Verified Purchase
3 people found this helpful
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Top reviews from other countries

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Isel
5.0 out of 5 stars Muy buen artículo
Reviewed in Mexico on October 22, 2021
Style: AC4175WVerified Purchase
One person found this helpful
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Paras S.
1.0 out of 5 stars Input supply adopter same day fail
Reviewed in India on August 14, 2021
Style: AC4100Verified Purchase
Claudia
5.0 out of 5 stars Muy buen producto
Reviewed in Mexico on February 16, 2018
Style: AC4100Verified Purchase
One person found this helpful
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Cliente de Amazon
4.0 out of 5 stars Confiable y eficiente para un cuarto chico / mediano
Reviewed in Mexico on August 13, 2018
Style: AC4100Verified Purchase
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Cliente de Amazon
4.0 out of 5 stars Confiable y eficiente para un cuarto chico / mediano
Reviewed in Mexico on August 13, 2018
Compre un purificador debido a que tengo alergias y entra mucho polvo a mi casa por una construcción cercana, debo admitir que fue una compra de impulso sin tanta información, pero al final no tan desatinada

Funciona muy bien, sin embargo este modelo es para cuartos más pequeños, si la ponen en espacios más grandes tendrá poco efecto o tardarán días en percibir una mejora del aire aunque esté encendido 24/7, por eso es muy importante entender las siglas y tablas HEPA qué rigen a todos los purificadores y que dan claridad y guía respecto a su eficiencia para limpiar el aire.
La desventaja qué le encuentro es que es muy ruidoso y un tanto difícil de ignorar.
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4 people found this helpful
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GABO
3.0 out of 5 stars ruidoso ... pero si consiues los filtros, no como otros
Reviewed in Mexico on December 6, 2019
Style: AC4100Verified Purchase
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GABO
3.0 out of 5 stars ruidoso ... pero si consiues los filtros, no como otros
Reviewed in Mexico on December 6, 2019
PROS: Consigues fácilmente los filtros, no son caros comparados con otras marcas. Siempre revisa eso, porque de nada sirve un purificador al que no puedes cambiarle los filtros.
Tiene un foco ultravioleta que elimina los virus en el aire.
Al aventar el aire de frente ayuda a refrescar el cuarto como casi como un ventilador... a diferencia de otros que lo avientan hacia arriba.

CONTRAS: Ruidoso, similar a un aspiradora, a un horno de microhondas
Es casi imposible darle mantenimiento, para abrirlo es muy complicado a mi me gusta abrir mis aparatos para limpiarlos de polvo y este tipo de aparatos acumulan mas polvo por su tipo de uso. Y para repararlo en caso de falla es igual muy complicado.
Tiene una advertencia del gobierno de California donde indica: "Este aparato puede contener elementos que llevan plomo" (supongo la pintura) ... y eso es la gota que derramó el vaso... por todo lo anterior y encima esto... me había gustado al comienzo pero el no poder abrirlo fácilmente para limpiarlo o repararlo me molesta demasiado.
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