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TroyStudio Studio Felt Panel - Sound Absorbing Soundproof Board - Dense Polyester Fiber Wall Ceiling Covering Perfect for Acoustic Treatment - 12'' X 12'' X 0.4'', Pack of 12 (Heather Grey) : Amazon.in: Musical Instruments
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Amazon.com: TroyStudio Acoustic Panels - 12 x 12 x 0.3 Inches Pack of 20 Sound Absorbing Panels, Wall and Ceiling Decorative Sound Panels, Acoustical Treatment Felt Tiles for Home, Recording Studio (Gray) : Musical Instruments
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