34 3/8" x 20 5/8" - Combo shower pan for showers that include a toilet. 10.5 gallon holding tank, 2" drain in the shower pan and 2" vent in the tank. Comes with 3" ABS plastic drain flange for the tank dump (sparately, not installed). Constructed of durable fiberglass reinforced plastic.
Fits various Transvan motohomes, Casita travel trailers and possibly more.
Sierra Engineering part number: #1193
Please verify your measurements and and compare them to the drawing above.