This 2012 Featherlite 8581 4 horse trailer with Sierra interior package is probably the cleanest you'll ever find. It has a mid tack area with access doors from living area to the back, collapsible rear tack, wiring for generator, dual batteries, dual propane tanks, separate black and grey water holding tanks,Large awning, mangers, lots of storage, cook top that has never been used, microwave, large freezer/refrigerator, electric over hydraulic jack, two stabilizers, etc. Tires are in great shape and the spare has never been used. must see to appreciate! We scrubbed the horse area with pine-sol each time we hauled the horses because our kids slept back there.