This filter is used as a replacement for the Chip Tuning Oil Catch Can filters (HP100, HP200 variants) sold through on our online store and eBay.
A direct slip-in replacement.
Simple remove the old filter and replace with new element. No priming or other function is necessary.
Here is a customer review on the 2x Oil Catch Cans we sell (Large and Small) https://www.youtube.com/watch?v=fBV87xpzi2M