GSN 1m PVC Conduit Pipe, For Industrial, Size: 16mm dia
16mm Id Elbow Straight Bushing Tee 3 Way Pvc Tube Joint Pipe Fitting Coupler Adapter Water Connector For Garden Irrigation - Pipe Fittings - AliExpress
Tubing, PVC Clear, Dia: 10mm x 16mm (3/8in x 5/8in) - [Length 3m / 9.8ft]
MECCANIXITY PVC Rigid Round Pipe 16mm ID 20mm OD 350mm Dark Grey High Impact for Water Pipe,Crafts,Cable Sleeve - - Amazon.com
GF Union SxS PVC-U/EPDM 16DN10 (721510105) - Environmental Marine