North American Product Classification System (NAPCS) Canada 2017 Version 1.0
- 466 - Metal building and construction materials
- 46612 - Metal valves and pipe fittings (except industrial valves) and enamelled metal sanitary ware
- 466122 - Other valves and fittings
- 4661221 - Metal fittings, flanges and unions for piping systems
- 4661222 - Plumbing and heating valves and specialties
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