Nailor Models RNSA and ARNSA Adjustable Square Ceiling Air Diffusers are designed to provide both the unobtrusive appearance required for architectural excellence and the 360° diffusion pattern at
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minimum NC levels required for high engineering performance. They provide the flexibility of a standard horizontal discharge or near vertical discharge pattern, useful in high ceiling applications where better air penetration or spot heating may be desired. The stamped one-piece cones eliminate mitered corners and the die-formed curves provide consistent quality and performance.