HSN CodeHSN Description

3917Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics

3925Builders ware of plastics, not elsewhere specified or included

7307Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel

8481Taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the like, including pressure-reducing valves and thermostatically controlled valves