Whether you choose a DUO or FAMILY layout, every long wheelbase van is crafted for extended comfort and convenience. Our conversions of the Sprinter 170 or Transit 148 High Roof Extended include a memory foam bed (near-queen extendable to near-king), a spacious 60-inch galley with sink, fridge, and 20-gallon water tank, plus four-season insulation for year-round travel.