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Old 08-03-2020, 08:43 AM
Dick Boneske's Avatar
Dick Boneske Dick Boneske is offline
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Join Date: Mar 2004
Location: Winneconne, Wisconsin
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Nearly all the REM foams separate at the seam. There is no lip like the OEM foams, diameter is smaller, and the foam cells are much larger than OEM.

I believe there are no surviving OEM foams today. I had some NOS ones in boxes that crumbled when removed from the box.

I remember seeing a comparison of air flow between foam filters & paper showing paper better than foam in every way except appearance. Anyone else have info on this?

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