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1. QRD 734-F MDF Core with Veneer/RPG Acoustical Systems LLC/2025-07-01

   Open the PDF · HPD 33654

   Expiration Date: 2028-07-01

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   A 1-dimensional sound diffuser that is the 1st of its kind on the market with a patented folded well design, this product extends the diffusion bandwidth into the lower mid-range frequencies in only 4-1/4" depth. The unit's natural wood…