JohnDow JDI-EK Air Evacuation KitJohnDow JDI EK Air Evacuation Kit This optional kit converts the JohnDow Industries Model JDI LP4 17 Gallon Low Profile Oil Drain into a self evacuating drain. Using regular shop air, easily transfer oil from the drain to your storage tank. For Use With JohnDow Model JDI LP4 Low Profile Oil Drain Don't wait for gravity to do what air power can do in a fraction of the time. After you purchase the oil drain, and you've allowed the automobile's waster