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Jianyu 28/4, groove distance is 4mm in front of the panel. The distance between each groove is 28mm. The diameter of each hole is 10mm.Perforation ratio:Frequency type: This model provides high acoustic absorption in mid frequency.USES:Multi-purpose... More
Jianyu 13/3, groove distance is 3mm in front of the panel. The distance between each groove is 13mm. The diameter of each hole is 10mm.Perforation ratio: 13%Frequency type: This model provides high acoustic absorption in mid frequency.Jianyu Wall Panels... More
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Jianyu 5/3, groove distance is 3mm in front of the panel. The distance between each groove is 5mm. The diameter of each hole is 10mm.Perforation ratio:Frequency type: This model provides high acoustic absorption in mid frequency.!!spec!!fea... More
