-If your gray pipe writes 15mm, buy GRAY PIPE 15mm. -If your gray pipe writes 20mm, buy GRAY PIPE 20mm. -Look at the measurements written on your pipe.
PVC Pipe Connector (for Electrical/ Conduit/ DIY / Malaysia standard grey Pipe)
-Superior corrosion and abrasion resistance, with a 50-year design life
-Installing is easier and less expensive.
-PVC pipe has a smooth inside that is extremely durable and abrasion and scour resistant.