Silicone Rubber Heaters containing heating element and attached insulation for uniform temperature control, standard lengths and cut to length options which can be customized as needed. Uniform mid- temperature range (max 150 Degrees C). Control style is “Zone Control” heating (Separate strings that are monitored collectively). Standard as 120 – 208V, heater diameters are available from ¼” to 8” with existing designs for Flanges, Elbows, Valves, etc. Heater jackets have a high quality construction (vulcanized silicone), long service life, easy on and off capabilities with standard Snap fasteners, are Clean room compatible, and UL®, CE, NEC, and SEMI S2-93 compliant.