Plumbing Pipe O-Ring Seals from Canada
Circular vulcanized rubber O-rings for sealing threaded pipe joints in residential plumbing systems. Classified in HTS 4016.93.50 as other gaskets, washers, and seals, made from nitrile or EPDM rubber for water resistance. Prevents leaks in PVC or metal pipe connections.
Duty Rate — Canada → United States
12.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Certify compliance with NSF/ANSI 61 for potable water contact to meet U.S. import standards
• Declare durometer hardness and chemical resistance in invoices for proper valuation
• Avoid bulk packaging that mimics Chapter 39 plastic fittings to prevent reclassification