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PuraShield 500 Molecular Air Filtration System


$409.00 $1,299.00

Condition: Returned / Like New.

4 Unique Layers of Protection!

PuraShield media removes 99.46% of solutions containing SARS-coV-2, the virus that causes COVID-19*. Additionally, it quickly and effectively eliminates 99.999% of aerosols carrying viruses, bacteria, mold, smoke, odors, and allergens from the air**. Made in the USA and designed for up to 1,000 square foot spaces, PuraShield features multiple stages of filtration:

Stage 1
Pre-Filter traps dust, pollen, and other large particulate matter.

Stage 2
Patented Molecular Filtration media removes aerosols carrying viruses from the air, safely oxidizing the molecules, while removing toxic and harmful gases.

Stage 3
PuraWard® HEPA Filter protects from many viruses, bacteria, and mold using EPA registered antimicrobials, copper and silver ions.

Stage 4
Rated at 99.97% efficiency against 0.3 micron particle size, the HEPA final filter captures other particulates, allergens, bacteria, and viruses.



- PuraShield media removes 99.46% of solutions containing SARS-coV-2, the virus that causes COVID-19

- Quickly and effectively removes many aerosols carrying harmful viruses, bacteria, mold, and smoke from the air

- Uses a disposable 4-layer filter

- Equipped with a filter layer protected by PuraWard® technology using copper and silver ions

- Includes 22 lbs. of Purafil’s patented molecular filtration media

- HEPA filtration for harmful particulate matter

- Also removes toxic and damaging gaseous pollutants

- Compact and mobile design


Standard Features

- Holds 22 lbs. of molecular filtration media

- Compact design with casters for portability

- High efficiency with less power consumption

- Low pressure drop and quiet operation

- 360-degree air circulation and purification

- 4.5 ft. power cord

- Replacement filters are available 



Fan Speed: 250 CFM / 425 CMH
Voltage: 110V US / 220V EU
Weight: 53 lbs.
Dimensions: 14" L x 14.5" W x 23" H
Material: Powder Coated Steel
Max Energy Use: 147W
Blower Certifications: UL, CSA & CE approved


* MRIGlobal Project No. 311686.01.001
** Laboratory testing demonstrated 99.99% reduction of aerosols carrying MS2. 

Copies of the full test reports are available upon request.