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Was hoping to use my new to me Jun-Air 6-4 on my upcoming trip tomorrow, but by reading through some old posts it just hit me that I don't have an oil separator.  The compressor came with a Norgren B07-280-M1MG which to me purely looks like a pressure regulator and filter.  Could someone shoot me in the right direction as to what a good separator would be?  Also does it get placed before that Norgren or after?

Would also love to know for those that use the oil model like do you only use Jun-Air oil or do you have another recommended oil that is more readily available?  Looked like there was a some oil out there that was used in dental offices, etc.