16,000 BTU Auxiliary Heater Compact Under Seat Mounting 12 Volt Bus Van Perfect for Bus, Truck or Van with One-Year Warranty Includes: Heater, Installation Kit, Instruction Sheet Measures: 10" X 4" X 10" Features: 12 Volt; Compact Size; 5/8" hose connections thru read of heater; Installation kit provided FREE SHIPPING!