Hi all,
We have just posted a new review of the Sherwood 1 Micron Pleated Filter Cartridges online at
Hope it helps!
Of course, if you consider respiratory health vs. simple dust collection, then a one-micron filter might not be the best choice. Among the dust particles that could contribute to respiratory problems are those in the sub-micron range. If I understand filter operation correctly, 1-micron filters pass all of the dust in the sub-micron range right on through and back into the shop. Your lungs do the final filtering, unless you wear a respirator, too.
--Jim
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