
True HEPA Air Purifier
Model: Core 300
Questions or Concerns?
Please contact us Mon–Fri, 9:00 am–5:00 pm PST/PDT
at [email protected] or at (888) 726-8520.
USER MANUAL

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Thank you for purchasing the
CORE 300 TRUE
HEPA AIR PURIFIER
BY LEVOIT.
If you have any questions or concerns, please
reach out to us at [email protected].
We hope you enjoy your new air purifier!
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Table of Contents
Package Contents
Specifications
Safety Information
Getting to Know Your Air Purifier
Controls
Getting Started
Using Your Purifier
About the Filter
Keeping Things Clean
Troubleshooting
Warranty Information
Customer Support
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10
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Package Contents
1 x Air Purifier
1 x True HEPA 3-Stage Original Filter
(Pre-Installed)
1 x User Manual
1 x Quick Start Guide
Specifications
Power Supply AC 120V, 60Hz
Rated Power 45W
Eective Range ≤ 215 ft² / 20 m²
CADR 135+ CFM / 230+ m³/h
Operating
Conditions
Temperature:
14°F–104°F /
-10°C–40°C
Humidity: < 85% RH
Noise Level 24–50dB
Standby Power < 0.8W
Dimensions 8.7 x 8.7 x 14.2 in /
22 x 22 x 36 cm
Weight 7.5lb / 3.4kg

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SAFETY INFORMATION
• Only use your air purifier as described in
this manual.
• Do not use without removing the plastic
wrap from the filter. The purifier will not
filter air, and may overheat, causing a fire
hazard.
• Do not use your air purifier outdoors.
• Keep your air purifier away from water,
and wet or damp areas. Never place in
water or liquid.
• Do not use in excessively humid areas.
• Keep your air purifier away from heat
sources.
• Do not use where combustible gases,
vapors, metallic dust, aerosol (spray)
products, or fumes from industrial oil are
present.
• Keep 5 ft / 1.5 m away from where oxygen
is being administered.
• Supervise children when they are near
the air purifier.
• Do not place anything into any opening
on the air purifier.
• Do not sit or place heavy objects on the
air purifier.
• Keep the inside of the air purifier dry. To
prevent moisture buildup, avoid placing
in rooms with major temperature changes
or underneath air conditioners.
• Always unplug your air purifier before
servicing (such as changing the air filter).
To reduce the risk of fire, electric shock, or other injury, follow all instructions and
safety guidelines.
General Safety
• Keep air purifier near the outlet it is
plugged into.
• Never place the cord near any heat
source.
• Do not cover the cord with a rug, carpet,
or other covering. Do not place the cord
under furniture or appliances.
• Keep the cord out of areas where people
walk often. Place the cord where it will
not be tripped over.
• This appliance has a polarized plug (one
blade is wider than the other). To reduce
the risk of electric shock, this plug is
intended to fit in a polarized outlet only
one way. If the plug does not fit fully in
the outlet, reverse the plug. If it still does
not fit, contact a qualified electrician. Do
not attempt to defeat this safety feature.
• This air purifier uses standard US 120V,
60Hz outlets. If using outside of the US,
check for compatibility.
Power and Cord
READ AND SAVE THESE
INSTRUCTIONS
• Do not use your air purifier if it is
damaged or not working correctly, or if
the cord or plug is damaged. Do not try
to repair it yourself. Contact Customer
Support (see page 15).
• WARNING: Do not use this air purifier
with solid-state speed controls (such as a
dimmer switch).
• Not for commercial use. Household use
only.

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GETTING TO KNOW YOUR AIR PURIFIER
A. Fan Speed Indicators
B. Fan Speed Button
C. Sleep Mode Indicator/Button
D. Timer Button
E. Timer Indicators
F. On/O Button
G. Display Lock Button
H. Check Filter Indicator
Front, upside downBack
I. Display O Button
J. Air Outlet
K. Housing
L. Air Inlet
M. Power Cord
N. Filter Cover
O. True HEPA 3-Stage Original Filter
K
J
L
B
C
D
G
H
I
N
O
A
E
F
M

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CONTROLS
On/O Button
• Turns the air purifier on/o.
Fan Speed Button
• Cycles through fan speeds:
I (low), II (medium), and III
(high).
Sleep Mode Button
• Turns Sleep Mode on/o
(see page 8).
Timer Button
• Cycles through timer
options (see page 8).
Display Lock Button
• Prevents current settings
from being changed (see
page 8).
Check Filter Indicator
• Lights up when the air filter
should be checked (see
page 10).
Display O Button
• Turns the display o.
• Tap any button (except )
to turn the display back on.
GETTING STARTED
1. Flip the air purifier over. Twist the filter
cover counterclockwise and remove it.
[Figure 1.1]
2. Remove the filter from its plastic
packaging and place the filter back into
the purifier with the handle facing up.
[Figure 1.2]
Figure 1.1
Figure 1.2
Note: The filter does not have a top or
bottom and can be installed either way.

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USING YOUR
PURIFIER
1. Plug in and tap to turn on the purifier.
The fan will start on level I. [Figure 2.1]
2. Optionally, tap to change fan speed
between I, II, and III.
GETTING STARTED (CONT.)
3. Replace the filter cover and twist
clockwise to lock. [Figure 1.3]
4. Place the purifier on a flat, stable surface
with the display facing up. Allow at least
15 in / 38 cm of clearance on all sides of
the purifier. Keep away from anything that
would block air flow, such as curtains.
[Figure 1.4]
Note:
• The indicators are not buttons and
cannot be used to change the fan
speed.
• The fan speed indicators will light up
when active.
• Fan speed III is the loudest, but cleans
air the quickest.
• For best results, or to address a specific
air quality issue such as smoke, run the
air purifier at maximum speed (level III)
for 15–20 minutes before using a lower
speed.
• To eectively clean air, keep windows
and doors closed while the air purifier
is on.
3. Tap to turn o the air purifier.
Figure 2.1
Figure 1.3
Figure 1.4
15 in /
38 cm
cover should
snap shut
15 in /
38 cm
Memory Function
When the air purifier is plugged in, it will
remember its previous fan speed setting.
Note: The air purifier will not remember timers or
Sleep Mode.

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Sleep Mode
Sleep Mode operates quietly by using the
lowest possible fan speed.
Tap to turn Sleep Mode on/o.
Timer
You can set a timer for 2, 4, 6, or 8 hours.
1. Tap repeatedly to select a time. The
timer will start automatically.
USING YOUR PURIFIER (CONT.)
Display Lock
Locking the display prevents settings from
being accidentally changed. Buttons will not
respond to being tapped.
1. Tap and hold for 3 seconds to lock/
unlock the display.
Note:
• You can change the fan speed at any
time while the timer is on.
• The timer will restart if the time is
changed.
Note: You can turn the display on and o
even if the display is locked.
ABOUT THE FILTER
The air purifier uses a 3-stage filtration
system to purify air.
A. Pre-Filter
• Captures large particles such as dust,
lint, fibers, hair, and pet fur.
• Maximizes the filter’s life.
B. True HEPA Original Filter
• Removes at least 99.97% of airborne
particles 0.3 micrometers (µm) in
diameter.
• Filters small particles such as smoke,
dust, mold spores, bacteria, viruses,
and allergens such as pollen, dander,
and mites.
C. Activated Carbon Filter
• Physically absorbs unwanted odors
and fumes.
• Filters compounds such as
formaldehyde, benzene, ammonia,
hydrogen sulfide, and volatile organic
compounds (VOCs).
A
B
C
2. Once the timer has finished, the air
purifier will power o.
3. To cancel a timer, tap until all timer
indicators are o.
Note:
• The indicators are not buttons and
cannot be used to select a time.
• The timer indicators will light up blue
when active.
Note:
• All indicators will be at half brightness
while Sleep Mode is on.
• Tapping will exit Sleep Mode.

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Do not add essential oils to the air purifier
or air filter. The filter will become damaged
by the oil and will eventually release an
unpleasant smell. Do not use oil diusers
near the purifier.
Essential Oils
ABOUT THE FILTER (CONT.)
Moisture may damage the air filters. This
air purifier should be used in an area with a
humidity level below 85% RH. If you use the
air purifier in excessively humid areas, the
surface of the filter will become moldy.
The air change rate is how many times all of
the air in a room can be purified (or “changed”)
by the air purifier in 1 hour. Air changes per
hour are calculated on the recommended
room size assuming 8 ft / 2.4 m ceilings. For
smaller rooms, the air change per hour will
increase. The Core 300 has an air change
per hour of 5, which means it can change
air 5 times at the max speed. This purifier is
suggested for use in a single, closed room up
to 215 ft² / 20 m².
This air purifier has a Clean Air Delivery Rate
of 135+ cubic feet per minute (CFM), or
230+ m³/h.
Clean Air Delivery Rate (CADR) measures
the eciency of an air purifier by indicating
the volume of clean air that an air purifier
produces per minute. This is based on
removal of dust, pollen, and smoke, which
are the 3 most common indoor air pollutants.
The higher the CADR, the more particles the
air purifier will remove and the larger the area
it can clean. The rating is measured at the air
purifier’s highest speed.
Humidity
Air Change per Hour
Clean Air Delivery Rate
Note: Water or moisture will allow mold to
grow. Air purifiers cannot solve an existing
mold problem, only remove mold spores
and reduce odors.
Note: To eectively clean air, keep windows
and doors closed while the air purifier is on.

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Figure 3.1
will light up as a reminder to check the air
filter. Depending on how much you use the
air purifier, the indicator should turn on within
6–8 months. You may not need to replace
your filter yet, but you should check it when
turns on.
Check Filter Indicator
The True HEPA 3-Stage Original Filter should
be cleaned once a month to increase the
eciency and extend the life of your filter.
Clean the inside and outside of the filter
using a soft brush or vacuum hose to remove
hair, dust, and large particles. [Figure 3.1] Do
not clean the filter with water or other liquids.
Cleaning the Air Filter
The filter should be replaced every 6–8
months. You may need to replace your filter
sooner or later depending on how often you
use your air purifier. Using your air purifier in
an environment with relatively high pollution
may mean you will need to replace the filter
more often, even if is o.
You may need to replace your filter if you
notice:
• Increased noise when the air purifier
is on
• Decreased airflow
• Unusual odors
• A visibly clogged filter
When Should I Replace the
Air Filter?
Note:
• To maintain the performance of your air
purifier, only use ocial Levoit filters.
To buy replacement filters, visit Levoit’s
online store. Go to levoit.com for more
information.
• Remember to reset after changing
the filter.
KEEPING THINGS
CLEAN
Cleaning the Air Purifier
• Unplug before cleaning.
• Wipe the outside of the air purifier with
a soft, dry cloth. If necessary, wipe
the housing with a damp cloth, then
immediately dry.
• Vacuum the inside of the air purifier.
• Do not clean with abrasive chemicals or
flammable cleaning agents.
Filter
When to
Clean
When to
Replace
Pre-Filter
Every 2–4
weeks
6–8 months
True HEPA
& Activated
Carbon
Filter
Do not
clean

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Resetting the Check Filter
Indicator
Reset the Check Filter Indicator when:
A. lights up.
1. Replace the air filter.
2. Turn on the air purifier.
3. Press and hold for 3 seconds.
4. will turn o when successfully
reset.
B. The air filter was changed before
lit up.
1. Press and hold for 3 seconds.
This will turn on .
2. Press and hold again for 3
seconds.
3. will turn o when successfully
reset.
1. Unplug the air purifier. Flip the air purifier
over and remove the filter cover (see
Getting Started, page 6).
2. Remove the old air filter.
3. Clean out any remaining dust or hair
inside the purifier using a vacuum hose.
Do not use water or liquids to clean the
purifier. [Figure 3.2]
4. Unwrap the new air filter and place it into
the housing (see Getting Started,
page 6).
5. Replace the cover and cap. Plug in the
air purifier.
6. Reset the Check Filter Indicator (see
page 10).
Replacing the Air Filter
Figure 3.2
If not using the air purifier for an extended
period of time, wrap both the purifier and the
filter in plastic packaging and store in a dry
place to avoid moisture damage.
Storage
KEEPING THINGS CLEAN (CONT.)

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Problem Possible Solution
Air purifier will not turn on or
respond to button controls.
Plug in the air purifier.
Check to see if the power cord is damaged. If so, stop
using the air purifier and contact Customer Support (see
page 15).
Plug the air purifier into a dierent outlet.
The air purifier is malfunctioning. Contact Customer
Support (see page 15).
Airflow is significantly reduced. Make sure the filter is removed from its packaging and
properly in place (see page 6).
Tap to increase the fan speed.
Make sure there are at least 15 in / 38 cm of clearance on
all sides of the air purifier.
The pre-filter may be clogged by large particles, such as
hair or lint, blocking air flow. Clean the pre-filter
(see page 10).
Replace the air filter (see page 11).
Air purifier makes an unusual
noise while the fan is on.
Make sure the air filter is properly in place with plastic
packaging removed (see page 6).
Make sure the air purifier is operating on a hard, flat, even
surface.
Replace the air filter (see page 11).
The air purifier may be damaged, or a foreign object may
be inside. Stop using the air purifier and contact Customer
Support (see page 15). Do not try to repair the air
purifier.
Strange smell coming from the
purifier.
Clean the filter or replace if necessary.
Contact Customer Support (see page 15).
Make sure not to use your purifier in an area with high
humidity or while diusing essential oils.
TROUBLESHOOTING

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If your problem is not listed, please contact Customer Support (see page 15).
TROUBLESHOOTING (CONT.)
Problem Possible Solution
Poor air purification quality.
Tap to increase the fan speed.
Make sure no objects are blocking the sides or top of the
air purifier (the inlet or outlet).
Make sure the filter is removed from its packaging and
properly in place (see page 6).
Close doors and windows while using the air purifier.
Make sure the room is smaller than 215 ft² / 20 m². The air
purifier may not be as eective in larger rooms.
Replace the filter (see page 11).
is still on after replacing the
air filter.
Reset the Check Filter Indicator (see page 11).
has not turned on within 8
months.
is a reminder for you to check the air filter and will light
up based on how long the air purifier has been used (see
page 11). If you don’t use your air purifier often, will
take longer to turn on.
turned on before 6 months. is a reminder for you to check the air filter and will light
up based on how long the air purifier has been used (see
page 11). If you run your air purifier frequently, will
turn on sooner.

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Terms & Policy
Arovast Corporation warrants all products to be of
the highest quality in material, craftsmanship, and
service, eective from the date of purchase to the
end of the warranty period.
Arovast Corporation will replace any product
found to be defective due to manufacturer flaws
based on eligibility. Refunds are available within
the first 30 days of purchase. Refunds are only
available to the original purchaser of the product.
This warranty extends only to personal use and
does not extend to any product that has been
used for commercial, rental, or any other use in
which the product is not intended for. There are
no warranties other than the warranties expressly
set forth with each product.
This warranty is non-transferrable. Arovast
Corporation is not responsible in any way for any
damages, losses, or inconveniences caused by
equipment failure or by user negligence, abuse,
or use noncompliant with the user manual or any
additional safety or use warnings included in the
product packaging and manual.
This warranty does not apply to the following:
• Damage due to abuse, accident, alteration,
misuse, tampering, or vandalism.
• Improper or inadequate maintenance.
• Damage in return transit.
• Unsupervised use by children under 18 years
of age.
Arovast Corporation and its subsidiaries assume
no liability for damage caused by the use of the
product other than for its intended use or as
instructed in the user manual. Some states do not
allow this exclusion or limitation of incidental or
consequential losses so the foregoing disclaimer
may not apply to you. This warranty gives you
specific legal rights and you may also have other
rights which may vary from state to state.
ALL EXPRESSED AND IMPLIED WARRANTIES,
INCLUDING THE WARRANTY OF
MERCHANTABILITY, ARE LIMITED TO THE
PERIOD OF THE LIMITED WARRANTY.
Additional 1-Year Warranty
You can extend your 1-year warranty by an
additional year. Log onto www.levoit.com/warranty
to register your new product for the extended
warranty.
Please fill out all required fields and include your
order ID, place of purchase, and purchase date, if
applicable.
Defective Products & Returns
If you discover your product is defective within the
specified warranty period, please contact Customer
Support via [email protected] with a copy of
your invoice and order ID. DO NOT dispose of your
product before contacting us. Once our Customer
Support Team has approved your request, please
return the product with a copy of the invoice and
order ID.
Product Name True HEPA Air Purifier
Model Core 300
Default Warranty
Period
1 year
For your own reference, we strongly recommend
that you record your order ID and date of
purchase.
Date of Purchase
Order ID
WARRANTY INFORMATION

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CUSTOMER SUPPORT
If you encounter any issues or have any
questions regarding your new product, feel
free to contact our helpful Customer Support
Team. Your satisfaction is our goal!
Arovast Corporation
1202 N. Miller St., Suite A
Anaheim, CA 92806
Email: [email protected]
Toll-Free: (888) 726-8520
Customer Support
Mon–Fri, 9:00 am–5:00 pm PST/PDT
Support Hours
*Please have your order invoice and order ID
ready before contacting Customer Support.

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NOTES

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NOTES

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