[Class : 19] Non Metallic Rigid Water Pipes & Drain Pipes. Rigid Plastic Pipes For Plumbing Purposes. Pvc, Upvc, Cpvc, Ppr & Hdpe Rigid Plastic Pipes And Fittings, Included In Class 19

[Class : 11] Non Metallic Pipes Being Parts Of Sanitary & Bathroom Installations, Water Supply And Water Distribution Installations. Plastic Pipes Being Parts Of Agricultural And Irrigational Installations. All Included In Class 11.