... oxide. 2.Can produce much radiation infrared ray with a wavelength of 3um~50um. Infrared ceramic heater tube is made from the precious ... is emitted through the wall 3μm ~ 15μm wavelength infrared. Model Tube Dia (mm) Tube length (mm)TB-1212100~700TB ... and Dehumidifying of Family, Office, Classroom, Farm and Chicken Farm, Sauna etc. We can customize Length /Tube Dia according to customers ...