JOES Dry Sump Breather tank is designed to allow venting of your dry sump tank while catching any oil that blows out. It?s a compact 3" x 3" x 6.5" to fit into tight places and has a 3/4" NPT fitting for your vent line. It is equipped with a drain valve so you can empty any oil that collects in the tank. It mounts to flat sheet metal.