R400 - The Everyday Air Purifier
The Airpura R400 is a high-performance air purifier designed to effectively remove a wide range of airborne pollutants, including household chemicals, odors, pollen, mold spores, dust, and allergens. It is ideal for home use, offices, medical environments, and for individuals with allergies or breathing problems. The unit features an 8-lb activated carbon filter for superior odor and chemical adsorption and a HEPA filter that captures 99.97% of airborne particles as small as 0.3 microns. Its 360° air distribution ensures efficient purification for rooms up to 1000 sq. ft.
$569.98
Owner Satisfaction
4.5
/ 5
Category Rank
556
/ 1673
#556 in Electronics Accessories
Price vs Category Average
+255%
Above average
Manufacturer Suggested Room Size (sq.ft) Based on 8 ft cellings
1000.
/ sqft
Who it's for
- Medical-Grade HEPA Filtration
- Durable Metal Construction
- Expansive Coverage Area
Who should skip it
- Significant Initial Investment
- Utilitarian Design
- Considerable Unit Weight
Key Specs
Manufacturer Suggested Room Size (sq.ft) Based on 8 ft cellings
1000 sq.ft
Ozone Emissions
No
System Efficiency
99.97% of airborne particles ≥ 0.3 microns
Fan Speed
395 CFM (Free Flow)
Air Exchange per Hour
2
Prefilter
Poly Prefilter, Vacuumable, Replace: 12 months
Chemical gas & odor filter
1" Carbon Filter, 8-lbs, Activated Carbon Filter (100% Coconut Shell), Replace: 2 years
HEPA filter
H13 HEPA Filter, 99.97% Efficient at 0.3 microns, Replace: 3 years
Features
- Powerful 8-lb carbon filter effectively adsorbs a wide range of airborne chemicals and everyday pollutants.
- HEPA filter captures 99.97% of airborne particles, including those as small as 0.3 microns.
- 360° air distribution provides comprehensive purification for spaces up to 1000 sq. ft.
- Sleek and durable all-metal construction designed to blend seamlessly with any decor.
- Easy to maintain with vacuumable pre-filter and long-lasting carbon and HEPA filters.
- Energy-efficient operation, costing approximately $0.27 per day to run on medium speed 24/7.
What customers say
Customers consistently praise the R400 for its exceptional build quality and straightforward operation. Many users appreciate the robust metal housing which feels far more durable than plastic competitors. The simple dial control offers a refreshing ease of use that prioritizes function over complex digital interfaces. Reliability is a recurring theme as owners report years of consistent performance without mechanical issues. While the design is industrial and utilitarian, it conveys a sense of professional grade dependability that resonates with those seeking a long term investment for their home environment.
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