Source google image: https://i2.cdscdn.com/pdt2/3/4/6/1/700×700/auc4260427693346/rw/mousse-acoustique-acoustique-de-4-stk-ca-49x49x3.jpg
Isolant phonique 3 cm
Source google image: https://i2.cdscdn.com/pdt2/3/4/6/1/700×700/auc4260427693346/rw/mousse-acoustique-acoustique-de-4-stk-ca-49x49x3.jpg