Alen Paralda Air Purifier Paralda, the balance of form and function Alen Paralda's distinct style combines beauty and performance. Its unique airflow design circulates and cleans your air better than any other tower on the market. Designer Award, International Housewares Show Upgraded germ and bacteria filter Innovative design makes filter changes easy For bedrooms and offices up to 500 sq ft Small enough to fit in, stunning enough to stand out. The Paralda's modern style is blended with excellent performance to create a perfect balance of strength and beauty. Sleek enough to fit in anywhere, the Paralda's versatility and utility make it a stand out. Designed Intelligent, Designed Different Not just a good looking air purifier, the Paralda's intelligent design sets it apart as one of a kind. From its dual-sided air venting system to its cord storage, the Paralda sets a new standard for air purifier design. How much do you want to think about your air purifier?

We bet, not much. The Paralda is a snap to set up and breeze to maintain with intuitive controls and five second filter changes. allergy pro true hepa filtration air purifier reviewLove it, but let it go.airbrush nozzle cleaning needle Filtration rate Removes 99% of particles greater than 0.3 microns CFM (airflow in Cubic Feet per Minute) Speed 1: 38 CFM; kenmore ion air purifierSpeed 2: 58 CFM; Speed 3: 77 CFM; Speed 4: 117 CFM CADR 114 (per Energy Star Test) Noise levels 37.5 dB (whisper); Speed 2: 40.5 dB (soft white noise); Speed 3: 51 dB (rainfall, quiet conversation); Speed 4: 60 dB (box fan, medium) Power Consumption Energy Star Certified - 56 watts on highest speed Power Supply 120V Filter Life 6 months Size 28" x 7" x 11" Weight 15 lbs Package Contents Paralda air purifier HEPA-Silver filter Paralda Owner's Manual

T500 Tower Air Purifier Powerful, quiet HEPA tower air purifier for small to medium size rooms. 25% smaller than other tower units and more powerful. This smart value air purifier removes 95% of particulates down to 0.3 microns in your room. Great for allergens, dust mites, mold spores, mildew, pet dander, pollen, ragweed dust, smoke and antimicrobial protection. Upgraded filters available for heavy odors and VOC's (volatile organic compounds). Lifetime limited warranty and fast delivery. Your satisfaction is guaranteed with our 30 day return policy. So quiet you won't know it is on. Tower air purifier with 25% smaller size than competitive models Recommended coverage area 500 sq. ft. Filters 95% of particulates down to 0.3 microns Upgrade filters available for heavy odor and VOC removal Quieter than competitive air purifiers Digital display with intuitive controls Ionizer for improved particulate removal This question is from T500 Tower Air Purifier2 WHAT TYPE OF FILTERS DO I BUY FOR THIS PRODUCT?

I CAN'T SEEM TO LOCATE THE SPECIFICATIONS ON THE FILTER TYPE NEEDED FOR THIS AIR PURIFIER. This question is from T500 Tower Air Purifier1 Is this a true Hepa filtration system or a Hepa like? How many filters do you need to replace and how long do the filters last? This question is from T500 Tower Air Purifier0 ozoneI do not want ozone which is bad for you. Does this one generate ozones? This question is from T500 Tower Air Purifier0 Filter? If I use this with the upgraded carbon filter for odors, do I need to change 2 filters every 6 months? We’ve just survived yet another winter night with the US Embassy’s air pollution AQI maxed out “beyond index” over 500, so it’s again a good time to review one of Beijing life’s unfortunate necessities: indoor air purifiers. In our expat world’s never-ending discussion of the best air purifiers, many of you have read my article detailing my head-to-head battle of IQAir 250 Pro versus Blueair 501. Now we can add a third player in my personal tests: Alen Air.

Alen Air is a Texas-based company which makes air purifiers, and a couple months ago their local rep invited me to test out (not keep!) two of their machines at my house: their flagship A375UV machine, and also their Paralda unit. So I spent a couple days comparing these brand-new machines with my trusty stalwarts, my IQAir and Blueair. First, The Boring Tech Stuff It’s very important to know that my home’s machines did not have new filters, so true comparisons to these new Alen Air machines cannot be done. My Blueair’s filters were at least 4 months past prime, and my IQAir’s pre-filter was in the red zone. (Still, their data is also interesting). Anyway, I spent a few days wheeling around each machine in one of 4 rooms: I then measured each room’s pollution levels with a handheld Particlescan machine. This machine measures PM0.3 particles, which are much smaller than the PM2.5 which the US Embassy monitors. These tiny particles are what most scientists think are the causes of pollution-related lung and heart disease, as they easily get absorbed into the blood stream via the lungs.

I was “lucky” enough to be testing on days with the US Embassy readings in the high 200’s, so this was definitely a real-world challenge for any purifier. The good news is that both Alen Air purifiers did quite well, and indeed better, than last year’s tests of the IQAir and Blueair. For example, on average: Another very positive point is that all purifiers did really well in bedrooms with doors closed. In fact, all four machines at maximum settings removed 95-99% of PM0.3! At quieter settings it was less awesome but still very good. I think this is powerful proof that air purifiers in bedrooms can dramatically reduce your pollution risk while you sleep — an issue especially crucial for infants and children. In last year’s results from my previous apartment: Compared To Outdoor Air? Don’t forget that the above numbers are comparing filtered rooms to a “control” room in a separate part of the house. So if you compare these above numbers to outdoor air, they perform even better.

For all readings, I also stuck the Particlescan out of my 15th floor window and recorded this data. On average, indoor air PM0.3 in my unfiltered hallway was 53% of outdoor air. I think that’s pretty good, and it’s a lot better than my previous apartment a couple years ago, which usually was around 70%. I think it shows how proper ventilation and window protection can help. But what that also means is that these machines did even better than the numbers above. For example, if you’re comparing each room to outside air, the A375 got rid of 97% of anything bigger than PM0.3. Don’t Forget Hunter, and Others Last year I also wrote about a smaller and cheaper HEPA filter from Hunter, which in my readings routinely eliminated 50-70% of PM0.3 pollution even with the constant door opening in my 12-square meter office. At max speed with the door closed for a while, it got 91% of the pollution. Clearly, with good filters, all these machines do really well in smaller rooms with doors, and I’m sure a bunch of other HEPA brands may also be ok.