Free-standing units improve indoor quality, providing an extra layer of safety and protection from virus-carrying aerosols, allergens, corrosive gases, mold, smoke and odors. No installation required with a one-step filter change.
Remove 99.99% of Aerosols Carrying Viruses*

The number of PuraShield™ units required is based on the volume of your space and the desired air changes per hour.

Equipped with a filter layer using PuraWard® technology, protected by antimicrobial copper and silver ions.
PuraShield 500 includes 22lbs. of patented PuraShield molecular filtration media, providing an oxidizing surface area roughly the size of 419 soccer fields.

PuraShield recommends replacing filters every 6 months. Never be left without a filter when you need one. Have filters delivered to you automatically with our autoreplenishment program.
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*Laboratory testing demonstrated 99.99% reduction of aerosols carrying MS2. Copies of the full test reports are available upon request.