Modern Pipe silencer

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{"cid":"114733","pid":"21829115","pimg_url":"\/\/img1.b2bforus.com\/b8\/b2\/e8a90aaf13c2\/product\/73167882_s-w400xh400.jpg","name":"Strong pressure resistance and corrosion resistance round pipe muffler noise reduction and static pressure muffler box muffler box fan sound absorption duct","attrs":{"Price":"$4.50(>=1 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"Norain"}}