... , high-reliability products. In the life of the product, stability, reliability, energy consumption, materials, etc., there ... φ150mm, φ170mm, φ210mm, φ190mm, φ226mm, φ320mm, φ430mm, φ480mmProduct Features:High-temperature ceramic electric rings, heating ring, high-grade injection ... support products, has long life and high reliability.Product classification according to the voltage:AC115V, AC220V, AC230V ...