JOES Dry Sump Breather tank is designed to allow venting of your dry sump tank while catching any oil that blows out. It is compact 3"X3"X6.5" to fit into tight places and has a 3/4" NPT fitting for your vent line. It has a drain valve so you can empty any oil that collects in the tank. 1-1/2" JOES Clamp welded on the back for easy tube mounting.