This part sits in your window and enables the exhaust air to be pushed outside. This offering is for the plate only. This part does NOT come with installation instructions. This original Delonghi Air Conditioner AC Window Slider originally shipped with the following Delonghi devices: PAC360 PAC700T PAC600T The size of this part is 22-3/4 x 3-7/8 x 1 Inches. 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!