sourcing map PVC Pipe 13.5mm ID 16mm OD 0.5m Blue High Hardness for Furniture,Water Drain Pipe,Electrical Cable Sleeve 3 Pack : Amazon.co.uk: DIY & Tools
PVC Pipe Sizes and Dimensions | PVC Pipeworks
Overflow Pipe 3/4" (21.5mm) x 2.9m black | Greenmill AC