Alen Replacement Filter Chart

Not sure which filter you need for your Alen air purifier?  Refer to the chart below.  Find your Alen model on the left column and see which filters are available for your air purifier on the right columns.

Alen Model

HEPAPlus Filter (Basic Filter)

VirusHEPA Plus Filter (HEPA +Microbial)

MultiOdor HEPA Filter (HEPA + Advanced Odor Control)

OdorTech Filter (Molecular Odor + Gas - No HEPA)

A350

HEPAPlus-A350

VirusHEPAPlus-A350

N/A

N/A

A375UV

HEPAPlus-A375

VirusHEPAPlus-A375UV

MultiOdorHEPA-A375

OdorTech

T100

HEPAPlus-T300

VirusHEPAPlus-T300

MultiOdorHEPA-T300

N/A

T300

HEPAPlus-T300

VirusHEPAPlus-T300

MultiOdorHEPA-T300

N/A

Paralda

TotalHEPA-Paralda

VirusHEPA-Paralda

N/A

N/A

HEPAPlus Filter: This is the most basic all-in-one filter and includes a prefilter, HEPA filter, and carbon filter (TotalHEPA for the Paralda has no carbon filter). 

VirusHEPA Filter: This is an upgraded high performance HEPA filter that is coated with silver, an eco-friendly substance that naturally provides anti-bacterial, anti-fungal and anti-viral protection. 

MultiCarbon HEPA Filter: This all-in-one filter contains a prefilter, HEPA filter, and exclusive MCP odor powder which eliminates noxious odors on contact. 

OdorTech Filter: This contains an all-in-one prefiler, activated carbon and exclusive MCP odor powder.  This filter is designed for maximum odor removal and contains twice the amount of carbon as the standard HEPAPlus filter.  There is no HEPA media in this filter.