[Class : 19] Non Metal Water Pipes , Non Metallic Water Pipes , Non Metal Sewer Pipes, Non Metallic Pipes [Drain], Non Metallic Drainage Pipes, Non Metal Gutter Pipes, Rigid Polypropylene Pipes For Building, Penstock Pipes, Not Of Metal, Branching Pipes, Not Of Metal , Plastics Pipes [Rigid] For Water , Rigid Pipes, Not Of Metal , Plastic Pipes For Plumbing Purposes, Rigid Pipes Of Polypropylene For Building, Non Metallic Air Pipes For Buildings , Insulated Pipes (Non Metallic ) For Water, Down Pipes Of Non Metallic Materials , Rigid Underdrainage Pipes, Not Of Metal , Rigid Pipes, Not Of Metal [Building], Non Metallic Rigid Pipes For Building , Non Metallic Pipes For Roof Drainage Installations, Fire Resistant Collars (Non Metallic ) For Pipes, Rigid Pipes And Valves Therefor, Non Metallic, Non Metallic Rigid Pipes For Construction Purposes, Discharge Pipes (Non Metallic ) For Building Installations, Water Pipe Valves, Not Of Metal Or Plastics, Pre Insulated Bonded Pipes (Non Metallic ) For Building, Polyethylene Pipes Used In Geothermal Heating And Cooling Systems , Valves, Not Of Metal Or Plastic, For Water Pipes ;, Non Metallic Water Pipes [Other Than Parts Of Sanitary Installations] , Rigid Pipes Of Plastics [Other Than Parts Of Sanitary Installations] , Tile Floorings Not Of Metal, Vinyl Siding, Wall Linings Not Of Metal For Building, Tiles , Window Frames Not Of Metal ,Windows Not Of Metal, Grout, Poles, Not Of Metal, For Electric Power Lines, Swimming Pools [Structures, Not Of Metal], Drain Traps, Not Of Metal Or Plastic , Rain Traps Not Of Metal , Non Metal Gratings , Non Metal Vent Covers