Master Appliance Ultratorches Built-in fuel filter for consistent fuel ignition. Built-in window indicates fuel level. Dual function soldering iron and heat tool. Use to pinpoint heat, remove surface mount components, repair vinyl, shrink heat shrinkable tubing, solder & desolder, spot dry, strip insulation with hot knife and more. Convenient On/Off gas control and adjustable temperature control. Durable tank has built-in fuel filter. Copper-based tips provide long life and high thermal conductivity, excellent with lead-free solder Pack of 1