2023 Gardens4 1.4m Olmar Gas Heater A1004 is the model. 1.4 meters high; Italian Ulmer gas watch; Italian barbish; safety sensor to measure oxygen levels; safety valve to stop gas leaks; quick electronic operation Four thermal glass facades; four wheels for effortless mobility (four directions); scratch-resistant thermal paint; ignition, control, and safety devices manufactured in Europe and abroad; individual inspections of each greenhouse; two burners rather than one for quick operation Types of Heaters oLMAR