Firebox 5" TITANIUM Boil PlateCan be used with 40 oz. Stainless Steel water bottles. Works well with Stainless Steel or Titanium cups. Concentrated heat for boiling or cooking allows the use of very little fuel. Boil water or cook with a very small fire using very little fuel. The 5 Boil Plate clips securely onto the top of the 5 G2 Firebox Stove, converting the Firebox into an efficient boiling system. This Boil Plate can be used with a 40 oz. Stainless Steel water bottle