The package contains:
14 pcs  Pipe a 1.12 m 51 mm pvc with logo - PVC
1 pc      Glue PVC Bison, small box
1 pc      Low-voltage cable, 2 conductors (20m)
8 pcs    Bend slightly, 90°, ø 51mm – PVC
3 pcs    Bend sharp, 90°, ø 51 mm – PVC
5 pcs    Bend, 45°, Ø51 mm - PVC
8 pcs    Sleeve 51mm - PVC
2 pcs    Branch pipe 90°, ø51mm x 51mm - PVC
5 pcs    Pipe fasteners, ø 51 mm
1 pc      Exhaust valve for vacuum cleaner systems
3 pcs    Contact mounting kit Optima
3 pcs    Transition sleeve ø44/50 mm