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LG PuriCare (AS401VSA0) silent Air Purifier

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Set Alert for Product: LG AS401VSA0 Sensor & Lodecibel PuriCare 3-Stage Filter Purifier with Smart Air Quality Sensor and LoDecibel Operation, Brushed Silver - $299.00
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☑ Color-coded indicator shows the quality of the air
☑ Silent air purifier
☑ 2-step filter replacement indicator
☑ Child lock system to prevent accidental change of settings
☑ The filters are of different colors for easy identification and replacement

Last updated on June 2, 2020 3:58 pm

Score & Analysis

Features Score



Price Range : $201 - $300

Group Rank : #11( out of 12 Products )


Average score in the group


Best score in the group



Overall Rank : #43( out of 85 Air purifier )


Average score in Air purifier


Best Score in Air purifier



Features Group This
Best Average Remarks Best Average Remarks
CADR (Clean air delivery rate) 680 339.4 below average
N/A 184.33 below average
CADR Dust 400 253.67 below average
205 164.7 Above average
CADR tobocco smoke 400 236.33 below average
116 163.45 below average
CADR pollen 400 258.33 below average
215 176.64 Above average
Air changes per hour 5 5 below average
N/A 2.8 below average
Energy consumption [Watt] 43 60.67 Best
43 65.6 below average
Room Size 620 400.08 below average
248 332.98 below average
Noise level [db]-Air purifier 23 41.29 Best
23 41.09 Best
Airpurifier weight [lb] 10 18.18 Above average
15.87 13.22 Above average
Warranty [Months] 120 58.91 Best
120 42 Best


The LG PuriCare silent Air Purifier is full of unique and useful features, and can clean 99.97 percent of airborne pollutants in a large room, within a very short period of time.

Features of LG PuriCare Silent Air Purifier

3-Step Air Filtration

The LG air purifier has 3 filters- pre-filter, PuriCare filter and Deodorizing filter. The pre-filter is washable and blocks pet hair, pet dander and big dust particles. The air is then passed through the replaceable PuriCare filter which captures bacteria, pollen and dust mites. Lastly, the Deodorizing filter reduces Volatile Organic Compounds (VOCs), odors, smoke, and Formaldehyde.

Digital Display Indicator

The air purifier (AS401VSA0) has a digital display which shows the concentration of various airborne particles. It shows the level of 3 sizes of particles- 1 micron, 2.5 micron and 10 micron. These concentration levels are displayed in terms of micrograms per cubic metre.

LED Light Air Quality Indicator

It has an LED light in the front, which indicates the quality of the surrounding air. The LED light has four colors- green, yellow, orange and red. The green color indicates clean air, while the red indicates polluted air.

Fan Speeds

The LG AS401VSA0  silent air purifier has 3 fan speed settings- low, medium and high. You can also choose the “auto” mode which adjusts the fan speed automatically. You may also choose the “Turbo” for fastening the process of air purification.


The LG Air Purifier has 4 timer settings- 2 hours, 4 hours, 8 hours, and 12 hours. Once you have selected and set the timer, the device will turn off automatically after the specified time period.

2-Step Filter Replacement

This LG silent air purifier has two kinds of indicators for replacing the filter. The indicator first indicates when you need to order a replacement filter, that is, a kind of warning that you will soon need a replacement. Then, it indicates when you need to actually replace the filter.

Price History


Additional information

Specification: LG PuriCare (AS401VSA0) silent Air Purifier



Mold spores



Bacteria and viruses

Chemical and gas fumes

Odros and smells

Pet dender

CADR rating

CADR (Clean air delivery rate)




CADR tobocco smoke


CADR pollen


Air changes per hour


Energy consumption [Watt]


Room Size


Noise level [db]-Air purifier


Filters & Sensors
Hepa fliter

True hepa Filter

Air quality sensors

Carbon filter

Filter replacement indicators


Washable pre filter

Other useful
Carrying handle


Digital control

Night light

Programmable timer

Technology-Air purifier
0.3µm particle removal (%)


Antimicrobial treatment

Ozone free

Photocatalytic oxidation

Plasma wave technology

Airpurifier Height [inch]


Airpurifier Length [inch]


Airpurifier weight [lb]


Airpurifier Width [inch]


Warranty [Months]


Wireless controls

Amazon Alexa-Air

Google Assistant-Air

App Control-Air

Remote Control-Air

Voice Control-Air


Does the LG PuriCare Air Purifier lead to noise pollution?

No. The air purifier may be a little noisy depending upon the speed setting you choose, but the noise is not very loud or disturbing. At the lowest setting, the noise is as quiet as a whisper.

Can it help those who have pets?

Yes. The permanent pre-filter is effective in cleaning and getting rid of pet hair and pet dander. This is useful for pet owners who often suffer from allergies.

How often should I change the filters in this air purifier?

The pre-filter is permanent and washable, so you don’t need to replace it. The other filter has an indicator, and the time for replacement depends upon the usage and the air conditions. Generally the filter lasts for 4000 hours depending upon the environmental conditions.

Can the pre-filter be washed? Can it be cleaned and reused?

Yes. You can easily wash the pre-filter. After you clean it properly, you can reuse it.

How should I maintain and care for the product?

This product has minimum maintenance requirements. You just have to keep the pre-filter clean and replace the filters whenever the filter alarm indicates it.

How long does the pre-filter last?

The pre-filter is permanent and reusable. You do not need to replace it for a very long time.

Where can I place the LG Air Purifier if I want maximum effectiveness?

For maximum effectiveness, you should place the purifier in such a manner so that the filter at the back is not blocked. Placing it in the corner of the room is a good idea, but you should not place it too close to the wall or furniture.

What particles can the PuriCare Air Purifier remove?

The LG PuriCare Air Purifier can remove large and small dust particles, mold, pollen, bacteria, pet hair, pet dander, dust mites, odors, smoke, and Volatile Organic Compounds (VOCs). It can remove particles as small as 0.3 microns.

How much does it weigh? And is it portable?

15.87 lbs. Yes, it is portable. The air purifier is a little bulky, but you can move it from one place to another, if required.

Does it have any special features?

Yes. The LG Air Purifier has a digital display which shows the micrograms of particles (of sizes 1, 2.5, and 10 microns) present in a cubic metre of area. It also has an air quality indicator which uses different colored LED lights to indicate air quality.

Who are the ideal users for the LG AS401VSA0 air purifier?

This air purifier is ideal for those who frequently suffer from allergies and need an easy-to-operate air purifier for a large room.

What is the power consumption? Is it energy star certified?

43 Watts. Yes, the LG Puricare air purifier is energy star certified.

What is the maximum room size that it can clean?

248 square feet. This is pretty impressive given the size and power consumption of the air purifier.

I want to control the device wirelessly. Does it have any app for the same?

No. The company does not have any app for wireless control.

Does the product come with a warranty?

Yes. It comes with a 10-years warranty for the motor, and a 1-year warranty on parts and labour.

What type of filter does it use?

It uses a PuriCare filter and a deodorizing filter. The former almost matches the standards of a HEPA filter, while the latter removes smoke, odor and VOCs.

How many speed settings are there? Can I adjust the speed?

The air purifier has 3 speed settings- low, medium and high. It also has a Turbo mode for fast purification of air. You can also choose the “Auto” mode to adjust the fan speed automatically on the basis of the pollution level. You can easily adjust the speed manually if you want.

Does it lead to emission of ozone?

No. The ozone emission by this air purifier is negligible (less than 0.01 ppm). This makes it cleaner and safer than its alternatives.

Does it have any automatic shut-of feature?

Yes. The air purifier has a timer with 4 time settings- 2 hours, 4 hours, 8 hours, and 12 hours. Once you have adjusted the time to suppose 4 hours, the device will turn off automatically after 4 hours.

Does it have any filter replacement/cleaning indicator? Also, does it have an air quality indicator?

Yes. It has a 2-step filter replacement indicator which shows when you should order a replacement, and when you should actually replace the filter. It also has a color-based air quality indicator where green shows the cleanest air while red shows the most polluted air. It also has a digital screen for display of concentration levels of various airborne particles.

Can I control the device with a remote?

No. The device cannot be controlled with a remote. You have to control it manually through the button on the console.

What are the CADR ratings for the air purifier?

The CADR ratings for this LG PuriCare Air Purifier are- 160 CFM smoke, 205 CFM dust, and 215 CFM pollen. These ratings make it one of the most effective and efficient air purifiers in the market.

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