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  Acoustic Wall protects from noises from industrial source, highway, noisy neighbors, noisy air conditioners etc.Noise creates an artificial resonance which causes stress for biological systems.Consists of Five 2.5 inches ceramic discs InstructionsThe discs are placed on the wall (see picture above) facing the source of noise. The noise intensity will not change but it will eliminate or greatly reduce the irritability which the noise will cause otherwise.Please note:Each disc has flower side or "passive side" and picture side or the "active side where the two side adhesive tape is located. The picture side where the adhesive side is located is always pointed to the source of pollution.Caution: The discs will never change their protective properties and they will never expire, as long as they are not broken. If they are broken please do not glue them. If glued they will not function properly and they should be replaced If the edges are slightly chipped the discs will function properly and do not need to be replaced. Make sure that the surface you glue the discs on is clean and dry. You can also replace the tape with industrial strength Velcro to replace the tape. The discs can be easily cleaned with detergent and water. If the discs need to be applied to a ceiling make sure that the disc is attached firmly to the surface. You may also put the disc in a soft plastic box such as cassette tape box and attach it to the ceiling with strong adhesive two side tape or Velcro.

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