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- Programmable
- Very quiet on low settings
- Good coverage
- Not enough activated carbon in its pre-filter
- Its HEPA filters can be confusing to change
- Runs loud on higher speed settings
October 2007. Reviewers and owners agree that the Hunter QuietFlo 30401 is a good value, but other models are better rated overall. This air purifier finished in the top ten in one thorough, comparative review, and both Air-Purifier-Power.com and AllergyBuyersClub.com say it does a good job cleaning fairly large (300 square foot) rooms, also praising its programmable operation. However, Air-Purifier-Power.com says the 30401 doesn't have enough activated carbon in its pre-filter, and AllergyBuyersClub.com says its HEPA filters can be confusing to change. Also, while reviewers say this machine is quiet on low settings, it's much louder on high settings. For more recent reviews, please see our latest update on air purifiers.
The Hunter QuietFlo 30401 (which is also known as the Hunter 401) pops up in a fair number of reviews. This machine was tested by Consumer Reports in November 2007, and is thoroughly evaluated by the enthusiast site Air-Purifier-Power.com and the retailer AllergyBuyersClub.com. We also found one fairly thorough owner review of the QuietFlo posted on Epinions.
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Our Sources
1. ConsumerReports.orgDetails/Subscribe
The Hunter QuietFlo 30401 is one of 36 air purifiers tested in the November 2007 roundup by Consumer Reports. By injecting allergens into a test chamber, then measuring air purifier performance at several time intervals on both high and low speeds, editors test models for dust and smoke removal, ozone emission and noise level.
Review: Air Purifiers, Editors of Consumer Reports, Dec. 2007
Reviewer Ed Sherbenou doesn't test the Hunter QuietFlo 30401 himself, but does a good job comparing its specs and mechanics to other air purifiers. His biggest complaint is that the QuietFlo doesn't have enough activated carbon in its pre-filter; otherwise, he gives this machine good grades, saying it's "worth the money in the lower part of its price range."
Review: Hunter Air Purifier Review, Ed Sherbenou
AllergyBuyersClub.com -- which points out the pluses and minuses of the products it sells -- says the Hunter QuietFlo 30401 picks up a high proportion of particles and is very quiet on its low settings. On the downside, editors say the HEPA filters can be confusing to change. They especially like the 30401 because it can be programmed to change speeds at various times of the day.
Review: Hunter QuietFlo Air Purifiers: Great Value with Lots of Features, Editors of AllergyBuyersClub.com
4. Epinions.com
Only one owner posts a comment about the Hunter QuietFlo 30401, but he goes into a reasonable amount of depth and seems genuine. He says this machine cleans effectively, but is slightly noisy on its higher settings.
Review: Hunter QuietFlo 401 Air Purifier, Contributors to Epinions.com
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IQAir HealthPro Plus HEPA Air Purifier - Air Cleaner with with Gas and Odor Filter - HyperHepa Technology
 from Amazon.com New: $899.00 In Stock.
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