High-temperature infrared panel heaters feature black Ceran glass as the emitter face. Maximum emitter face temperature is 1,600°F or 870°C. Features of the heaters include an output wavelength between 2.5 and 6 μm, and densities of 10, 15, and 20 W/in.2Omega Engineering Inc., One Omega Dr., Stamford, CT 06907, (800) 826-6342, www.omega.com/pptst/QG_HEATER.html