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MinusA2 Air Purifier - Tech Specs

Size of product


20.25H x 21.4W x 7D (inches)

Technical data

MinusA2 SPA-700A MinusA2 SPA-780A/N
Weight 19.4 lbs. 19.4 lbs.
Power Cord Length 9.33 ft. 9.33 ft.
Effective Coverage Area* Normal Residential Use:
700 sq. ft. (2 Air Changes Per Hour)

Allergy Sufferer :
350 sq. ft. (4 Air Changes Per Hour)

Normal Residential Use :
815 sq. ft. (2 Air Changes Per Hour)

Allergy Sufferer :
408 sq. ft. (4 Air Changes Per Hour)

Power Consumption 7 to 47 watts 7 to 61 watts
Noise Level 20.8 to 45.6 dBA 25.6 to 51.3 dBA
CADR Pollen / Dust / Smoke
171 / 173 / 166
Pollen / Dust / Smoke
200 / 193 / 180
Wireless Connectivity (iOS and Android) No SPA-780N Only
Annual Filter Cost $42.50 (12hr/day operation)
$85.00 (24hr/day operation)
Learn more about Maintenance
$42.50 (12hr/day operation)
$85.00 (24hr/day operation)
Learn more about Maintenance
Warranty 5 Years 5 Years
Support 24/7 Technical Support 24/7 Technical Support
Power Requirements 120V AC 60 Hz 120V AC 60 Hz

Airflow diagram

Inlet: Indoor air is drawn through the filters 360 degrees around the front panel.

Outlet: Clean air is expelled from the back of the unit in an upward direction towards the room.


What's in the box

MinusA2 HEPA Air Purifier Box
  • MinusA2 Air Purifier
  • Remote Control
  • Filter Case
  • User's Manual
  • Pre-Filter
  • Medium Filter
  • BioGS HEPA Filter
  • Customized Filter
  • Activated Carbon Filter
  • Wall Mount Kit

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