The Rectangular Elbow Silencer Packless (PERM) provides a unique solution for noise control applications where fibrous acoustic material is not permitted in the air stream, and where a 90° elbow is necessary due to space constraints.
The PERM is an ideal solution for undesirable noise in applications where fibrous acoustic material is not permitted in the air stream, such as washdown and high-pollutant areas, including computer rooms, hospitals, cleanrooms and laboratories. The elbow shape of the PERM is ideal for applications with limited space where straight lengths of ductwork are not available.