Compact Baffled Oil Catch Can, 3-PortCompact Baffled Oil Catch Can This Compact Baffled Oil Catch Can was designed to separate oil particles from the PCV CCV air that would normally have just been routed back to your intake. The internal air diverter turbulates the air longer and ensures all the oil sinks to the bottom of the can, leaving nothing but clean air to pass through the 50 micron bronze filter to the intake. An internal baffle keeps the collected oil from splashing around under