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Reply by MikeSnyder

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Posted on Which Wynn Environmental Cartridge Filter?

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MikeSnyder

1 post in 936 days


#1 posted 02-25-2012 03:19 PM

I have Wynn Nano filter on my DC and am very happy with it.

Its easy to narrow the 3 filters down to two.

The 35A100SBOL is out, as it is not that much cheaper than the 35A274NANO offers significantly less square footage and is a less efficient filter.

The two remaining filters are advertised as “99.99 % efficient at 0.5 micron” (not splitting hairs over 1/1000 of a percent) based upon the filter being “loaded” several times.

Keep in mind, cleaning the filter will likely undo the loading process.

Depending on the design of your DC system (secondary separators, Thien Baffles etc) it may take some time for your filter to become sufficiently “loaded” to reach the 99.99% advertised efficiency.

This is were the MERV (Minimum Efficiency Reporting Value) rating of the two filters comes into play.

Refer to the ‘MERV Parameters’ chart found here: http://allergyclean.com/article-understandingmerv.htm

The 35A274BLOL (MERV 10) filter is not even rated for particles between .3 and 1 Micron, 50 – 65 percent efficient for particles between 1 and 3 Microns and 85 percent efficient for particles between 3 and 10 Microns

The 35A274NANO (MERV 15) filter is 85 – 95 percent efficient for particles between .3 and 1 Micron, 90 percent efficient for particles between 1 and 3 Microns and 90 percent efficient for particles between 3 and 10 Microns

From what I have read, the sub micron particles can cause significant lung problems/damage.

In my mind the choice is obvious!

Michael


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