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Custom Polyester Grille Acoustic Slat Panels: Tailored Sizes & Designs for Perfect Sound Control, Find Details and Price about Sound Absorbing Polyester Slat Board High - Performance Polyester Slat Sound Panel from Custom Polyester Grille Acoustic Slat Panels: Tailored Sizes & Designs for Perfect Sound Control - Guangdong Dayin Acoustics Technology Co., Ltd.