Vibrant Performance's Gen3 Catch Can Lids are available in 2-port or 4-port thread-on configurations. Our 2-port lid comes with two -12 AN male to -12 ORB male fittings and two -12 ORB filter barrels with filter material. Our 4-port lid comes with four -12 AN male to -12 ORB male fittings and four -12 ORB filter barrels with filter material. Both configurations are internally baffled.