The gas heater GS 4400 P is a practical additional heater that enables mobile use independent of electricity. It is simply attached to standard 5 or 11 kg propane and butane gas cylinders. The heat output of the proven ceramic burner can be easily regulated. It is equipped with an infinitely adjustable catalytic ceramic burner, a piezo ignition and a die-cast aluminium reflector. The GS 4400 P gas radiant heater was developed for outdoor use and produces a pleasant radiant heat. The article is designed for use in DE + AT (50 mbar).