For Sale: Potomac 5231rl 5th Wheels / Phoenix, Az Description: Appearing In 2003, Potomac Rv Began Supplying A Line-up Of Family-oriented Vacation Trailers. Offering Travel Trailers During Their First Year Of Production, Potomac Rv Added Fifth Wheel Trailers In 2004. Ranging From 26 To 36 Feet In Length, Potomac Rv Trailers Are Available With Up To Three Slide-out Sections. Features: Length Feet: 33