94/110mm x 50m Black Underground Electric Cable Twinwall Ducting Coil
1STec 10m Underground Cable Conduit Ducting Hose Pipe Channel for TV coax, Electric Wire, Garden Lights, Fish Pond low voltage pumps, Power Socket lead Burial (10 Metre, 20mm External 14mm Internal): Amazon.co.uk:
50/63mm x 50m Blue Underground Water Twinwall Ducting Coil
Underground Twin Wall Corrugated Data or Electrical Ducting | Connectec.uk
PD3237X50BEPE - 32mm Polyduct Black 50m Coil Electric Cable Duct