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OPERATOR MANUAL

IMPORTANT INFORMATION, KEEP FOR OPERATOR

Information contained in this document is known to be current and accurate at the time of printing/creation.  Unified Brands recommends referencing our product 

line websites, unifiedbrands.net, for the most updated product information and specifications. The company reserves the right of final interpretation of the 

user manual. Information subject to change without notice. © 2020 Unified Brands. All Rights Reserved.  Unified Brands is a wholly-owned subsidiary of Dover 

Corporation.

PURAFIL INC

2654 Weaver Way Doraville, GA 30340 U.S.A. 

Phone:+1 770 662 8545, www.purafil.com

PART NUMBER 177244, REV. B (09/20)

This manual provides information for:

PURA 400™ AIR PURIFIER

THIS MANUAL MUST BE RETAINED FOR FUTURE REFERENCE.  READ, 
UNDERSTAND AND FOLLOW THE INSTRUCTIONS AND WARNINGS 
CONTAINED IN THIS MANUAL.

NOTIFY CARRIER OF DAMAGE AT ONCE

  It is the responsibility of the 

consignee to inspect the container upon receipt of same and to determine 
the possibility of any damage, including concealed damage. Unified 
Brands suggests that if you are suspicious of damage to make a notation 
on the delivery receipt. It will be the responsibility of the consignee to file 
a claim with the carrier. We recommend that you do so at once.

Manufacture Service/Questions 770-662-8545

OPERATING INSTRUCTIONS

Please read all instructions before using your PURA 400 Air Purifier. Follow the 
directions below for easy set-up and first time operation.
•  Unpack and remove all packing material. Remove air purifier from plastic bag.
•  Completely unravel the power cord and place your PURA 400 Air Purifier on a 

flat. dry, stable surface, at least four inches from any wall, with the air vent facing 
away from the wall.

•  Make sure the speed control switch is in the off (0) position and plug the power 

cord into a 120 VAC/60Hz wall outlet.

•  Your PURA 400 Air Purifier features three different speed settings: high (III),  medium 

(II), and low (I).  The highest setting will provide the fastest delivery of  clean air.

•  When first turning on your PURA 400 Air Purifier, set to the high setting and let it run 

for an hour. After an hour, turn speed control switch to desired setting.

•  Your PURA 400 Air Purifier is designed to run 24/7. This ensures optimal filter 

performance and guarantees the air is clean and free from pollutants.

IMPORTANT - READ FIRST - IMPORTANT

 

 WARNING! 

Please read these warnings carefully and follow all applicable local 

codes and regulations.

WHEN USING ELECTRICAL APPLIANCES, BASIC PRECAUTIONS SHOULD ALWAYS BE FOLLOWED 

TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, AND INJURY TO PERSONS INCLUDING THE 

FOLLOWING:

Read all instructions before operating your PURA 400 Air Purifier.
Always place your PURA 400 Air Purifier on a firm. flat. dry level surface.
The PURA 400 Air Purifier must be used in its upright position.
Keep your PURA 400 Air Purifier away from heated surfaces, open flames, combustible gases, and 

vapors.
Keep your PURA 400 Air Purifier and cord out of the way, where it cannot be stepped on or tripped 

over.
Before operating your PURA 400 Air Purifier, extend the cord and inspect for any signs of damage. 

Do not use your PURA 400 Air Purifier if the cord is damaged.
Keep your PURA 400 Air Purifier away from water and other liquids.
Do not run power cord under carpets. and do not cover with throw rugs.

Always turn your PURA 400 Air Purifier to the off (O) position and unplug from the wall before 

moving it, changing the filter or whenever it is not in use. Be sure to pull the plug and not the cord 

when disconnecting from the outlet.
Do not drop, insert or allow any objects to enter into any openings of your PURA 400 Air Purifier. 

If this occurs. immediately turn off and unplug your PURA 400 Air Purifier and call a PURA 400 Air 

Purifier customer service representative.
Do not block the air openings on your PURA 400 Air Purifier. Blocking the air openings will 

decrease the efficiency of your PURA 400 Air Purifier and increase risk of injury.
Do not use outdoors. Your PURA 400 Air Purifier is intended for indoor use only.
To avoid the risk of fire, shock or personal injury, do not use an extension cord.
Do not sit, stand, or place heavy objects on your PURA 400 Air Purifier.
Do not operate your PURA 400 Air Purifier if it malfunctions or becomes damaged in any way.
Keep out of the reach of children.
DO NOT attempt to repair or adjust any electrical or mechanical functions on your PURA 400 Air 

Purifier. Doing so will void your warranty. All servicing should be performed by an authorized PURA 

400 Air Purifier representative only.

THIS PRODUCT IS PRODUCED IN A FACILITY REGISTERED WITH EPA UNDER ESTABLISHMENT NUMBER 
96157-GA-1. THIS PRODUCT IS NOT INTENDED FOR MEDICAL USE. ALL PICTURES SHOWN ARE FOR 
ILLUSTRATION PURPOSE ONLY. ACTUAL PRODUCT MAY VARY DUE TO PRODUCT ENHANCEMENT.

Summary of Contents for Unified Brands PuraShield PURA 400

Page 1: ...n and free from pollutants IMPORTANT READ FIRST IMPORTANT WARNING Please read these warnings carefully and follow all applicable local codes and regulations WHENUSINGELECTRICALAPPLIANCES BASICPRECAUTIONSSHOULDALWAYSBEFOLLOWED TO REDUCE THE RISK OF FIRE ELECTRIC SHOCK AND INJURY TO PERSONS INCLUDING THE FOLLOWING Read all instructions before operating your PURA 400 Air Purifier Always place your PU...

Page 2: ... plastic trash bag 6 Remove the outer pre filter and dispose in the same plastic trash bag 7 Install the new outer pre filter by aligning the pre filter seam with the power cord 8 Install the new filter top side down 9 Replace the bottom cover and screw down tightly 10 Turn your PURA 400 Air Purifier right side up and operate on the high III setting for at least one hour CLEANING INSTRUCTIONS WARN...

Page 3: ...each of our warranty whether or not we have knowledge of specific needs or our employees or agents have given any specific assurances Anyone claiming that there has been a breach of warranty by UNIFIED BRANDS must give us written notice within THIRTY 30 days after discovery of the relevant defect or the right to assert such claim will have been waived conclusively and provided further that any suc...

Page 4: ...4 OM PURA 400 AIR PURIFIER Service Log Model No Purchased From Serial No Location Date Purchased Date Installed Purchase Order No For Service Call Date Maintenance Performed Performed By ...

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