Amazon.com: Art3d 2 Wood Slat Acoustic Panels for Wall and Ceiling - 3D Fluted Sound Absorbing Panel with Wood Finish - Oak : Musical Instruments
Art3dwallpanels Black 0.83 in. x 0.65 ft. x 7.87 ft. Wood Slat Acoustic Panels, MDF Decorative Wall Paneling (4 Piece/21 sq.ft.) A31hd001 - The Home Depot