Auxiliary Heater 30,000 BTU High Output Quiet Operation Truck Bus Van 3 Speed Fan Perfect for Bus, Truck or Van with One-Year Warranty Includes: Heater, Mounting Brackets, Installation Kit, Instruction Sheet Measures: 16" X 6 1/2" X 9" Features: Dual Blowers; 12 Volt; Quiet Operation; Full front opening; 5/8" hose connections; installation kit & instructions provided FREE SHIPPING!