Which MERV rating for Powermatic air cleaner?

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Forum topic by CWN posted 02-18-2014 07:23 AM 801 views 0 times favorited 2 replies Add to Favorites Watch
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3 posts in 1531 days

02-18-2014 07:23 AM

I have a Powermatic Air Cleaner and I need to change the first filter. I can find a few quality filters that are the exact same size and will fit perfectly, the problem is that they all list a MERV rating that may or may not be too low for the Powermatic. I usually will use a factory replacement item, but the non stock filters are WAY cheaper than stock. I worry if I go too high on the MERV rating that it will choke down the performance of the unit and if I go too low it will prematurely clog the secondary filter. Does anyone out there have a suggestion of which MERV level to go with. I cant seem to find it for the Powermatic.

2 replies so far

View jmos's profile


716 posts in 1790 days

#1 posted 02-18-2014 12:57 PM

I would recommend Wynn Environmental for replacements.

I don’t know the factory MERV rating, but I’m sure they would if you give them a call. Very good to work with, happy to answer questions, very knowledgeable.

Going too high on the MERV rating will reduce the volume of air, but do you really want to be blowing the finest particles, that have the most health impact, around? I’d rather have slightly lower airflow and cleaner air; YMMV.

-- John

View patcollins's profile


1419 posts in 2286 days

#2 posted 02-18-2014 01:14 PM

According to the wikipedia site

MERV 5-8 is used for workspaces

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