Screens For Hash

I am having a hard time finding screens for siffting trim. Can anyone please give me some links?...Thanks

ye man heres one
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I have read that you should not use the ones rated 12xx...They are polyester. I bought the speedball 12xx screen. The only thing it is used for now is to quick dry a bud over the vent if I run out of bud before my next grow is finished. I have been looking for the ones that list micron sizes, but haven't been able to find them.

Thanks for that info. Maybe someone that does use the right screens will reply. I will look through the site that was given earlier.

I still looking for some links to find screens for hash. I'm told that you need to use metal screening instead of the polyester...any help will be appreciated..thanks