CF12 Jet Chinese Wok Gas Cooker Burner – LPG 62,400 BTU/h 12 Inward-Pointing Jets Centre Fire Twelve-jet centre fire LPG burner for Chinese cookers, woks, barbecues, kebabs and stock pots. Twelve brass jets pointing inward - up to 62,400 BTU/h at low LPG pressure. Removable cast iron tube, 50% turndown, protective burner ring. Side inlet 1/2 BSP female. 8¼ (210mm) tube. Hamilton Gas Products. The CF12 operates on the same centre fire principle as the CF9 - brass jets pointing inward to produce a hot, dense, concentrated flame - but with twelve jets rather than nine. The additional jets increase the combustion surface area and change the flame character slightly - the CF12 is preferred by some chefs for the heat distribution pattern it creates over larger wok bases. Both models have identical dimensions and the same 1/2 BSP female side inl