Check the listing for details. Blazer 189-4101, GB4101 Mini Lab Burner, Brush Flame. Condition: New. Listed at 58.82 USD. THE GB 4101 BRUSH FLAMEFeaturing a state-of-the-art Piezo electronic crystal instant ignition system and adjustable wide brush blue torch flame. The GB 4101 Gas Burner has an approximately 1 hour burn time on a full tank of butane, with a maximum flame temperature of 2,370ºF (1,300ºC) The extra sturdy base are designed with safety in mind. The heavy duty base prevents accidental tip-overs and helps to ensure maximum safety in the lab/work enviroment. Gas tank holds approx. 35 grams of Triple Refined Blazer Butane gas. ! STURDY CONSTRUCTIONSuperior Construction and precision engineering will provide years of reliable use. Ideal for - All Dental, Medical and Science Lab uses. Replace your old lab gas burner with the wide brush flame GB 4101.