The Nailor Industries RNR Plaque Style Round Ceiling Steel Diffuser features three concentric cones for a balanced and uniform appearance across different sizes. Ideal for variable air volume systems, it delivers a true 360° radial horizontal air pattern, offering excellent performance. The diffuser’s adjustable discharge positions—cones up for higher air movement and cones down for maximum capacity—make it versatile for both heating and cooling applications. With high neck collars, corrosion-resistant steel construction, and easy installation via a spring clip system, it ensures reliable airflow control and energy efficiency. Perfect for creating an optimized indoor environment.