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Showing 1 of 182 conversations about:
kliklak
119
Dec 27, 2017
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any idea what the little black paper square included with the o-rings is for?
bsastor
779
Apr 18, 2018
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kliklakSo you will notice the spare O-ring and not lose it. Otherwise it is useless.
glennac
1363
Jul 14, 2018
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kliklakIf you look closely enough you might notice “3M” printed on the square paper. If so the paper is designed to prevent the item it is shipped with from tarnishing enrout. You can buy the squares in different sizes yourself from eBay or Amazon and store one with items you want to prevent from tarnishing (patina). They last about 6 months, then replace it with a new piece of 3M paper.
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