A noise-reducing structure fitted to the casing.
The bellows expands like a concertina so that the part of the casing the projects above the ground is protected. The jacket allows significant noise-reduction levels to be achieved.
A noise-reducing structure fitted to the casing.
The bellows expands like a concertina so that the part of the casing the projects above the ground is protected. The jacket allows significant noise-reduction levels to be achieved.