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Flying Ace · 03-07-2020, 01:02 PM

The small copper washer is the correct one to use for the drain plug. When you buy a change kit with the filter, it comes with all 4 rings. I only use the smaller copper and large rubber. Not sure what the other two are for

03-07-2020, 01:02 PM	#6
Flying Ace Lieutenant General 4985 Rep 11,891 Posts Drives: G05 45e, 997.1 & 991.1 GT3s Join Date: Jul 2014 Location: SF, CA iTrader: (5)	The small copper washer is the correct one to use for the drain plug. When you buy a change kit with the filter, it comes with all 4 rings. I only use the smaller copper and large rubber. Not sure what the other two are for
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