Large Coverage Area
The MinusA2 SPA-700A air purifier will filter all of the air in a room up to 700 sq. ft. (or 815 sq. ft. for the SPA-780A) twice in an hour on the turbo setting.
Energy Efficient
Energy Star Certified. Inexpensive to operate. Only consumes 7 Watts at silent speed.
Slim, Stylish Design with Wall-Mount
The only air purifier designed to either stand alone or be mounted on the wall. Floor stand is included with unit and can be easily removed for wall-mount.
Ultra Quiet
The heart of this air purifier is the Brushless Direct Current Motor, an innovative motor with inverter control that offers 5 different speeds of operation. When operating at low speed, the air purifier's motor barely makes a sound.
Superior Quality
The MinusA2 is one of the highest quality air purifiers you can find. Manufactured in Korea, it includes a 5-year warranty on parts and labor and 24/7 technical support.
What is asthma & allergy friendly™?
Six Stage Purification
The unit includes a six stage purification system and an activated carbon filter to fight off odors. Our BioGS HEPA will trap and reduce 99.97% of particles that pass through the filter down to 0.3 microns in size.
Comparison between BioGS HEPA filter and typical HEPA filter
Common allergens* and bacteria** on typical HEPA filter over time.
Common allergens* and bacteria** trapped and reduced by the BioGS HEPA filter over time.
Typical HEPA air purifiers trap allergens and contaminants, which accumulate on the filter and interfere with efficiency. The BioGS HEPA filter traps and reduces common allergens* to support optimum filter efficiency and prolong filter life.
| yes -- no | Typical HEPA Filter | BioGS HEPA Filter |
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Filter Fiber Material | Regular Glass/Paper Fiber | Bioengineered Fiber | |
Traps allergen and particles down to 0.3 microns | | | |
Reduces common allergens including dust mites, mold, pollen and cat dander* | -- | | |
Reduces the growth of bacteria and virus in the filter** | -- | | |
Maintains a longer optimal filter efficiency | -- | | |
Alleviates common household odors | -- | |
*Test samples: Mite allergen (Der f2), Cedar pollen allergen (Cry j1), 4 types of mixed spores (Aspergillus niger, Penicillium citrinum, Chaetomium globosum, Myrothecium verrucaria), Cat allergen (fel d1)
**Test samples: Type A influenza virus(H1N1), Escherichia Coli, Staphyllococcus aureus
What's in the box
- MinusA2 air purifier
- Remote with AAA batteries (2)
- Filter Case
- Warranty Card
- User's Manual
- Pre-Filter
- Medium Filter
- BioGS HEPA Filter
- Odor Remover Customized Filter
- Activated Carbon Filter
Size of product
20.25H x 21.4W x 7D (inches)
Download Manual and Instructions
Technical Data
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| MinusA2 SPA-700A |
MinusA2 SPA-780A |
| Weight |
19.4 lbs. |
| Power Cord Length |
9.33 ft. |
| Effective Coverage Area |
Normal Residential Use
(2 ACPH): 700 sq. ft.
Allergy Sufferer
(4 ACPH): 350 sq. ft. |
Normal Residential Use
(2 ACPH): 815 sq. ft.
Allergy Sufferer
(4 ACPH): 408 sq. ft. |
| Power Consumption |
7 to 47 watts
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7 to 61 watts |
| Noise Level |
20.8 to 45.6 dBA
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25.6 to 51.3 dBA |
| CADR |
Pollen Dust Smoke
201 200 193
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Pollen Dust Smoke
208 200 193 |
| Annual Filter Cost
| $37.50 (12hr/day operation)
$75.00 (24hr/day operation)
Learn more about Maintenance |
| Warranty
| 5 Years |
| Support
| 24/7 Technical Support |
| Power Requirements
| 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.
MinusA2 in 360 degrees
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Continuous Air Quality monitoring & Auto Operation
Particle and odor sensors change the speed of the air purifier based on the current indoor air quality.
Set and Run at any Speed
You can set your MInusA2 at any of five speeds from silent to turbo.
Child Proof Safety Design
Unit will automatically shut off when front panel is removed.
Light-Activated Sleep Mode
The light sensor detects the brightness in a room and adjusts accordingly. The unit automatically switches to sleep mode when a room has been dark for three minutes. In Sleep mode, the unit operates at an ultra quiet level while still maintaining optimum efficiency. It turns itself back to Auto Mode after the lights are detected. |
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Night Light and Mood Light
As well as delivering pure and clean air, the MinusA2 is the only air purifier in the U.S. that features an alternating mood light. This unique feature helps induce calmness and relaxation.
Activated Carbon Deodorization
Charcoal based activated carbon filter eliminates many common household odors, volatile organic compounds and household chemical smells.
Remote Control
Control your mInusA2 air purifier from the distance. |
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What the MinusA2 can reduce
Customized Filter
Odor Remover Customized Filter:
The Odor Remover filter is specially designed to trap and alleviate odors from pets, cigarettes and cigars, cooking, and mildew.
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What is the MinusA2 asthma & allergy friendly™ air purifier?
The asthma & allergy friendly™ Certification Program, administered by the Asthma and Allergy Foundation of America (AAFA) in partnership with the international research organization Allergy Standards Limited (ASL), is an independent program created to scientifically test and identify consumer products that are more suitable for people with asthma and allergies. The Certification Program has included certifying air purifiers in order to address some of the contaminants that may be present in indoor air and to scientifically validate that air cleaners contribute to the goal of allergen reduction.
In order to be certified, the MinusA2 asthma & allergy friendly™ air purifiers have passed testing and meet the following criteria:
- The air purifier can reduce bio-allergen level in a defined space
- The reduction in bio-allergen is a result of actual removal and not just re-distribution
- The air purifier does not contribute to ozone levels in the home
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