Maradyne H-6670004 Baja 12V Floor/Under Dash Mount Heater 13,000 BTU per hour, 130 CFM, 2.4 amperes at 12 volts, 5/8 fittings Air enters the center; warm air exits through each side Rear mounting studs and water hose connections Three-speed motor 8.25 H x 13.75 L x 4.75 D, mounting hardware included