Add to Wishlist JohnDow JDI-EK Air Evacuation Kit for JDI-LP4 JohnDow JDI-EK Air Evacuation Kit This optional kit converts the JDI-LP4 into a self-evacuating drain. Using regular shop air, oil is easily transferred from the drain to the storage tank. Features: Coverts the JDI-LP4 into a self-evacuating drain... MSRP: $169.00