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- Alen A350 Energy Star HEPA Air Purifier
Alen's A350 Energy Star HEPA Air Purifier is rated as a Best Value by Consumer Search, and is recognized as Alen's most popular air purifier. Perfect for your home or office, the A350 HEPA Air Purifier effectively eliminates 98% of all airborne particles such as mold spores, pollen, pet dander, and smoke.
The quiet, efficient A350 delivers HEPA filtration at a cost much lower than comparable models. The A350 runs for only pennies a day and the replacement filters are affordably priced so you won't have to worry about draining your wallet.
Along with being affordable, the A350 is easy to maintain and operate with simple, intuitive touch-button controls. Competing models have up to three separate filters that must be changed at different times, but the wall-mountable A350 has one combination pre-filter, HEPA filter, and carbon filter for quick changing. Simply remove the front cover and replace the filter. No tools required.
Key Features:
- Effective removal of 98% of all airborne allergens including pollen, dust, animal dander, dust mites and molds.
- All-in-one pre-filter, HEPA filter, and carbon filter that makes filter changing easy.
- 4-speed settings & 12-hour timer.
- Wall-mountable, space-saving design.
- Built-in Ionizer that minimizes pollutants without producing ozone.
- Filter change indicator.
- Safety features include auto-off protection when front cover is removed.
- Digital display with simple, intuitive touch-button controls.
- Warranty: Lifetime warranty.

- Filter Type: HEPA
- Filter Life: 6-9 months
- Power: 120V
- Noise: ≤ 65dB
- HEPA Filter Efficiency: ≥ 99.97%
- Room Coverage: Up to 800 square feet; 400 square feet for optimal performance
- Unit Size: 18.5” x 8.23” x 17.48”
- Unit Packaging: 21.42” x 9.92” x 20.24”
- Unit Weight: 16 lbs.
- Warranty: Lifetime Warranty
HOW TO CLEAN AND MAINTAIN YOUR AIR PURIFIER
Warning: Prior to cleaning or other maintenance, your air purifier must be unplugged from the power supply.
A350 and A375UV:
1. With the front of the unit facing up, pull the lower end of the inlet grill.
2. Remove the inlet grill from the unit.
3. Remove the HEPA filter by lifting the pull string.
T100 and T300:
1. Release the inlet grill by pressing from the locking switch and pull forward
2. Remove the inlet grill from the unit.
3. Grasp the right and left frame of the filters through the recess on the side of the filter enclosure, and remove the filters.
The pre-filter for all four models can be removed from the HEPA filter for cleaning. After cleaning, the pre-filter can be reused. Clean the pre-filter after every 200-300 hours of use, or you can clean it according to the air condition in the room. The pre-filter can be cleaned with a vacuum or by washing. Clean the inlet grill after every 200-300 hours of use as well.
- Plug the unit into an electric outlet. Press the On/Off button to start the unit, re-press it to stop.
- While the air purifier is turned on the fan will run at medium speed for 3 seconds before running at low speed (default speed). Press the speed button each time, and the fan speed will cycle.
- While the air purifier is on, press the TIMER button to the desired run time (hours). The air purifier will automatically turn off once the timer has counted down to zero.
- Press the ion key to turn on the ionizer while the fan is running, press it again to turn off the ionizer.
- Press the UV lamp button to turn on the UV lamp, which is used to help to kill harmful bacteria in the air. Press it again to turn off the UV lamp.
- When the HEPA replacement light is lit up the HEPA filters needs to be replaced.
- When the unit runs in auto mode, the dust and odor sensors can sense the air quality in the room and automatically adjust the fan speed. The particle sensor can sense the presence of tobacco and dust particles in the air. The higher the dust particle level, the further the indicator bar moves from left to right.
- The odor sensor can also detect cosmetic and aerosol odors. As the odor level increases, the odor indicator's bar moves from right to left. If the air purifier is moved to a new location, the sensor needs a short period of time to adjust to the new environment. During this time the indication of air cleanliness may not reflect the real air conditions.
Filter Replacement: When the filter is replaced, press the TIMER button for 5 seconds to RESET the filter replacement indicator light.
NOTICE: If the air quality is extremely poor, you may replace the HEPA filter before all the bars are lit.
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Great Air Purifier
Review by En-Hua -
Rating The best air purifier I have ever had. ORDER #: 002-9352303-7922636. REFERENCE #: 38150
(Posted on 1/5/10)
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Great product
Review by Sharon -
Rating Smooth transaction. Great product and service. Order ID: # 39724
(Posted on 8/7/09)
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High quality air filter
Review by Melissa -
Rating Great product. High quality. Best deal around w/ free shipping! Order ID: 34221
(Posted on 8/7/09)
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Excellent customer service, fast shipment
Review by Annie -
Rating AMZ Order # 103-8980964-2452238 I am so happy to have ordered my Alen A350 Hepa filter from HealthE Goods. First of all it has made a difference in my ability to sleep with allergies. Secondly, it arrived days before the shipping estimate. Thirdly, and perhaps most important, I received excellent and prompt assistance with my questions about the product from HealthE Goods. My call to customer service was answered immediately (no long wait time with music playing in the background) and I received very helpful information about my order from Tony. I could have ordered this product from another store but I am so glad to have found HealthE Goods--its price was the lowest I found and its service was truly excellent. I will definitely order here again.
(Posted on 8/7/09)
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Breathe Free
Review by Cathy L -
Rating After much research and wasted money on air filters that simply did not work, I have found an air filter which I am satisfied with and could afford. Even the replacement filters were reasonably priced compared to the others. I was discouraged when most of the top rated air purification systems I was looking at were priced out of my price range; $700 and above, then I happened upon the Alen and was pleasantly surprised.It was reasonably priced and had an environmentally friendly ionizer option,features I was looking for. The Alen filter when set on 2 creates white noise which even my noise sensitive partner can tolerate. I wake up able to breath, feeling refreshed, a first for me. And my partner had to agree that even he was breathing easier in the morning. I am very satisfied.
(Posted on 8/7/09)
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This one actually works
Review by Pam -
Rating After having tried other air purifier models I have finally found something that helps with our allergies. It's amazing to see how dirty the filter is when it is time to change the filters - kind of like when you empty a vacuum cleaner bag. It's hard to believe there is so much stuff in the air. I have found it much easier to replace the filter every 6 months than having to clean a filter weekly. The unit is a bit loud on the highest fan speed setting and found it works best to run it on speed 3 or 4 before I go to sleep and then lower it to speed 1 or 2. On the lower fan speed settings it sounds more like white noise and after a couple days of running the unit I forgot it was on.
(Posted on 8/7/09)
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Works well
Review by Gregory John -
Rating The room with this product in it gets cleaned periodically, and we noticed a significant reduction in the amount of dust on the furniture, so I would say this filter is working well. Online sites rate this Air Purifier as removing over 95% of air borne particles in a controlled situation, making it comparable to $600+ models, and far superior to the products you see on those info-mercials.
(Posted on 8/7/09)
My nephew is having breathing problems. What would you recommend?
Answer:
Grace -
If your nephew is having breathing problems, seriously consider food allergies, or dust mites in pillows/bedding and carpet. Toss the pillow if it is more than 2 years old, buy a new one along with a dust mite cover.
Get a mattress dust mite cover as well.
A highly effective product to relieve those of allergies is Sterol 117. You can read about it here -
http://www.healthegoods.com/product/sterol-117-biogenesis/natural-health-supplements
If your nephew can swallow pills, take 2 capsules first thing in the morning away from meals--about 20 minutes. And take 2 at night right before bed--again away from meals/milk products. After 1 week drop the dose down to 1 capsule AM and PM.
If your nephew cannot swallow pills, open the capsule and put the powder in a spoonful of applesauce. Give as suggested above.
In health,
Dr Ben
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Hello, Thank you for your prompt reply. I received shipment today. I love my purchases and plan on going back to your website for future purchases. Thanks again,
Chrisitina
December 2007
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