Linx Industries has a new duct-mounting, contour fit, curved register (CREG). The CREG is a supply/return register with a contoured face that mounts directly on spiral ductwork. It has adjustable double deflection blades that allow for 4-way airflow and half length screwdriver operated volume adjusting scoop. Registers are manufactured to fit duct diameters 8″-48″ and duct diameter must be 4″ larger than height (H) of diffuser. Read more details… or contact us today!