Superior 30 Degree 12-inch HT Offset and 8-inch HT Return 30E-12HTO-8HTR30 Degree 12 inch Superior HT Offset and 8 inch HT Return 30E 12HTO 8HTR Product Details This is Superior's 30 degree 12 inch HT Offset and 8 inch HT Return, known as 30E 12HTO 8HTR. Ensure efficient and reliable venting for your fireplace system with this high temperature resistant component, designed to withstand the rigors of continuous use. Features: Color: Silver 30 degree elbow pipe High temperature compatible Converts 12" diameter piping to 8"