IBC Adapters S60x6 with as output PVC tube - IBC-ADAPTER.COM, € 23,31
AKIS PLASTIC PVC-buis | Kuldipsingh
Transparante buis kopen - PVC webshop
POWERTEC 4 in. x 36 in. L Clear Pipe Rigid Plastic Tubing 70272 - The Home Depot
Amazon.com: uxcell 2pcs Plastic Round Rod 13/16 inch Dia 20 inch Length Green (POM) Polyoxymethylene Rods Engineering Plastic Round Bars(20.5mm) : Industrial & Scientific