This window kit comes with all the necessary connectors and adapters to connect the exhaust hose to the back of your Delonghi Air Conditioner and to the window slider. This set includes: ONE Appliance Connector (allows you to connect the hose to the back of the AC Unit). Exhaust Hose (this hose is expandable). Window Adapter (connects the exhaust hose to the window slider). Window Slider (this slider is 19 1/2 inches long and extends 38 inches). This part does NOT come with installation instructions. This original Delonghi Air Conditioner AC Exhaust Window Kit originally shipped with the following Delonghi devices: PACC120E PACC130EK PACCQ120 This is a true Delonghi part! This item is NEW! Don t see your model number? Send us a message as we are happy to help!