Exothermic Standard Range Nozzle Silver. Prevents fuel in the tank from making its way out the nozzle as it naturally builds pressure wanting to go from liquid to gas. Particularly useful on backpack equipped torch systems where there will likely always be leftover fuel between uses. Specifications for Exothermic Standard Range Nozzle: Manufacturer: Exothermic Height: 2 in Weight: 0.5 oz Length: 2 Width: 3 in Age Group: Adults Condition: New Features of Exothermic Standard Range Nozzle Compatibility: Pulsefire LRT Pulsefire UBF Package Contents: Exothermic Standard Range Nozzle Exothermic PF-NOZZLE-STANDARD: Standard Range Nozzle Silver