FireIce XT is a firefighting gel. FireIce XT breaks the fire triangle by suffocating the oxygen from the fuel by cooling the heat source, thus breaking the thermal barriers of fire. This prevents rekindles, which reduces property damage and increases safety. It is eco-friendly, non-toxic and non-corrosive. This premixed refill enables the quick filling of a FireIce UL 2.5 Gallon Extinguisher. A precisely measured 2.5 Gallon Premixed Refill for the FireIce UL Fire Extinguisher; just refill and pressurize in accordance with the manufacturers instructions.