Skip to navigation Skip to content Quartz Tubing, Inc. - Quartz Heating Tubes"The Quartz Source" Navigation 1: Home 2: Quartz Heaters 2.1: Directional Heat 2.2: Quotes by Email 2.2.1: Straight Flag 2.2.2: Ceramic Overcap 2.2.3: Threaded Studs 2.2.4: Twin-Tube IR Emitter 3: Halogen Heaters 4: Mountin...