It fits any standard 400mm x 400mm skylight hole. Everything in the photos is included.Happy to answer any questions as best i can. The item "Dometic Freshjet 2600 Motorhome/Campervan Air Conditioning Unit" is in sale since Sunday, July 11, 2021. This item is in the category "Vehicle Parts & Accessories\Caravan, Campervan & Motorhome Parts & Accessories\Air Conditioners & Heating\Air Conditioners". The seller is "icojones" and is located in Littleworth, Oxfordshire. This item can't be shipped, the buyer must pick up the item.