1STec 20m Underground Cable Conduit Ducting Hose Pipe Channel for TV Coax, Electric Wire, Garden Lights, Fish Pond Low Voltage Pumps, Power Socket Lead Burial (20 Metre, 20mm External 14mm Internal) :
Furukawa Green Trough and EFLEX Square Recycled Plastic/Polymer Cable Duct – Lightwieght | Cable Trough and Duct Systems | for Rail, Road, Energy and more
The Definitive Guide to Underground Cable Ducting - E-Tech Components