Ultratane Butane, 15/16oz Master Appliance offers butane refills for all of its multifunctional, portable soldering irons, flameless butane tools, and butane torches. The butane refills help our tools perform a variety of tasks... from soldering and desoldering, shrinking and terminating insulated solder perfoms, and environmental splices. Enjoy a butane torch refill today!. Triple-refined formula reduces clogging of filters. Special vapor pressure promotes consistent ignition. Contains no CFC’s, canister includes single-piece universal filling tip. Recommended butane refills for all Ultratorch & Master Butane-powered products. Three convenient sizes. 11799 & 10448 meet ORM-D consumer commodity class and can be shipped via ground transportation without hazardous material charges 10448 Yes - LEAD