Tunnel Ø=513mm

13718 - Tunnel GRP ø513 x 16 x 1500mm
13723 - Tunnel GRP ø513 x 16 x 2000mm
13729 - Tunnel GRP ø513 x 16 x 2500mm
13730 - Tunnel GRP ø513 x 16 x 3000mm
13733 - Tunnel GRP ø513 x 16 x 5000mm