PuroAir 400
A HEPA (3-layer with pre-filter) air purifier rated for rooms up to 2000 sq ft.
Owners like this air purifier because it's good for pet hair and dander, it brings real allergy relief, and it clears odors and VOCs.
Key specs
What owners say
- 5.0 out of 5 stars
“The PuroAir 400 uses a medical-grade HEPA 14 filter, which captures 99.99% of particles, and has a smart sensor that adjusts the filtration based on air quality.”
- 5.0 out of 5 stars
“Yes, the PuroAir 400 includes an activated carbon filter, which helps absorb pet odors, cooking smells, and other household pollutants.”
- 5.0 out of 5 stars
“Compared to others, the PuroAir 400 stands out with its medical grade HEPA filter, which is more powerful than standard filters in many other models.”
- 5.0 out of 5 stars
“Yes, the PuroAir 400 HEPA 14 Air Purifier is a great option for large rooms up to 2,000 sq. ft.”
- 5.0 out of 5 stars
“I recommend the PuroAir 400 HEPA 14 Air Purifier. It covers up to 2,000 sq. ft., making it a great choice for large areas.”
+ 2 more recommendations
The real cost of ownership
The sticker price is the down payment. Filters for the PuroAir 400 run $64.99 every 3 months — here's what that compounds to over three years of round-the-clock ownership.
Over three years, replacement filters add $780 to the $260 sticker — 75% of what you'll actually spend on the PuroAir 400.
Compare with similar models
- PuroAir$159.99PuroAir 2401.8/51.8 out of 5 stars(0)iAHAM VerifideCARB1000 sq ft
- Austin AirPrice variesAustin Air HealthMate3.3/53.3 out of 5 stars(4)iFilter costsOdor & VOC control1500 sq ft“I have an Austin Air Systems Healthmate and Healthmate Jr. Bought both in 1995 and each is still going strong.”
- Medify$594.99Medify MA-1123.3/53.3 out of 5 stars(3)iAHAM VerifideEnergy StarCARBSleep friendly2500 sq ft“I have multiple Medify purifiers (MA-112 and MA-40). I have run them 24/7 365 for about 4 years now.”
Full specifications
- price usdi
- 259.99
- dimensions
- 14.4 x 8.1 x 21.5 in
- weight lbs
- 14.73
- filter typei
- HEPA (3-layer with pre-filter)
- model numberi
- PuroAir 400
- noise db mini
- 36
- carb certifiedi
- True
- smart featuresi
- particle sensor, auto mode, sleep mode
- warranty yearsi
- 2
- room coverage sqfti
- 2000
- has activated carboni
- True
- filter lifespan monthsi
- 3
- filter replacement usdi
- 64.99