• TRIPLE REFINED BUTANE FORMULA reduces clogging of filters
• Special vapor pressure promotes consistent ignition
• Contains no CFC’s, canister includes single-piece universal filling tip
• Recommended butane for refilling all Ultratorch® soldering irons & Master Butane micro torches and glue guns
• Two convenient sizes
• 10449 meet limited quantity class markings and can be shipped via ground transportation without hazardous material charges