If energy efficiency is what you are looking for then its this one "...the Tesla of air purifiers"
Focus on Indoor Air Quality
At first, we focused on making the best HEPA filter. Clemson University did the only comprehensive and independent university study of air filters.
The Oransi HEPA filter was the only model tested to remove all airborne particles. It goes without saying this is key to having the best HEPA air purifier.
HEPA stands for High Efficient Particulate Air. A HEPA filter is the best and safest air purification for the removal of dust, pollen, and mold spores.
This is because of the high efficiency in removing particulates. It also works well with pet dander and other air pollutants. We also give you quiet, yet powerful motors to deliver high air flow and a strong CADR rating. The CADR rating is the Clean Air Delivery Rate. It represents the volume of clean air filtration.
Since then, we have expanded into chemical pollutant and odor removal. This is key to providing you with a complete indoor air cleaner.
As part of this we developed an advanced activated carbon filter. It removes not only cigarette smoke smell but also difficult gases like formaldehyde. It also does well with odors and volatile organic compounds (VOC's).
The best part is we give you indoor air purification that is safe and ozone free. We do not sell ozone generators given the health issues related to ozone indoor air pollution.
HEPA (and better than the HEPA standard) filtration coupled with advanced activated carbon filters is the air purification technology we use in our EJ Air Purifier and Erik air purifiers. The EJ has a true HEPA air filter and the Erik main filter is closer to an ULPA filter rating.
Made in USA air purifiers.
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"...the Tesla of air purifiers"
Room Coverage : Most sized rooms up to 1,250 sq feet
Max Air Flow (cfm) : AHAM Verifide CADR (Max Air Flow cfm): pollen-360, dust-333, smoke-331
Air Flow by fan Speed (cfm): 1: 70 2: 100 3: 135 4: 200 5: 330
Power: 52W, 120V/60
Main Filter Life : 12 months
Main Filter Rating: MERV 17 (>99.97%+ at 0.3+ microns). 36 sq ft filter material
Nano Particle Removal:
99.8% at 0.1 microns, 99.8% at 0.02 microns (20 nanometers)
Carbon Filter life: 8-12 months
Noise Level Lp(A) by Fan Speed (1-5):
1. N/A, 2. 19, 3. 24, 4. 33, 5. 59 dB(A)
Dimensions: 17" x 19" x 10" (W x H x D)
Where Made: USA
Pre-filter Weight: 1 lbs
Main filter Weight: 3 lbs
Total Weight: 27 lbs
Total shipping weight: 29 lbs
Warranty: 10 Years
UL, California Air Resources Board (Model Number: EJ100/EJ120, EO#: G-16-110)
Room Coverage: Most sized rooms up to 1,560 sq feet
Max Air Flow(cfm): 430
Power: 170 W, 120V/60
Noise Level: 63 L(p)A db on high speed
Main Filter Life: 30 months (continuous operation)
Main Filter Rating: 99.99%+ (MERV 18)
Pre-Filter Life: 12 months
Dimensions: 25.5" x 26" x 12.75" (W x H x D)
Housing Weight: 48 lbs
Pre-filter Weight: 5 lbs
Main filter Weight: 10 lbs
Total Weight: 63 lbs
Total shipping weight: 75 lbs
Warranty: 3 Years
Certification: UL, California Air Resources Board (Model Number: OV190, EO#: G-13-056). Our internal part number is 900.