Centrifugal glass wool fiber cotton wire insulation material sound-absorbing sound-absorbing wall wall KTV soundproof cotton home bedroom

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Upgraded aluminum-free mold 5CM thick (length 20 m * width 1.2 m) (no sound insulation package return)
Upgraded aluminum-free mold 7.5cm thick (length 20 m * width 1.2 m) (no sound insulation package)
Upgraded aluminum-free mold 10cm thick (length 20 m * width 1.2 m) (non-sound insulation package return)
Upgraded + aluminum mold 5CM thick (length 20 m * width 1.2 m) (no sound insulation package return)
Upgraded + aluminum mold 7.5CM thick (length 20 m * width 1.2 m) (no sound insulation package return)
Upgraded + aluminum mold 10cm thick (length 20 m * width 1.2 m) (no sound insulation package return)
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Color classification:: Upgraded aluminum-free mold 5CM thick (length 20 m * width 1.2 m) (no sound insulation package return) Upgraded aluminum-free mold 7.5CM thick (length 20 m * width 1.2 m) (no sound insulation package) Upgraded aluminum-free mold 10cm thick (length 20 m * width 1.2 m) (no sound insulation package return) Upgraded model + aluminum mold 5CM thick (length 20 m * width 1.2 m) (non-sound insulation package return) Upgrade + aluminum mold 7.5 cm thick (length 20 m * width 1.2 m) (non-sound insulation package return) Upgrade + aluminum mold 10 cm thick (length 20 m * Width 1.2 meters) (no sound insulation package return) Collection plus purchase priority shipping