Accord Ventilation 8-In. Round Ceiling Diffuser, White an innovative design with overlapping rings that ensure draft- air diffusion for enhanced comfort. This diffuser includes a slotted center cone that allows for optional chain operation, making it versatile for various ventilation needs. Crafted from all-steel construction, it promises durability and long-lasting performance. The outer ring is specially designed to resist smudging on ceilings, maintaining a clean and polished appearance over time. Model Number: ABCDWHO8