Service Valve Box Frame from Canada
A stackable polyethylene frame for curb-side service valve boxes, providing extension and support for water shutoff valves. Classified HTS 3926.90.99.40 as valve boxes of plastic. Corrosion-proof alternative to cast iron.
Duty Rate — Canada → United States
15.3%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Certify bury depth ratings and traffic load capacities for municipal approval
• Use ISPM 15 if wooden pallets involved; plastic frames themselves exempt
• Document as frames only if lids separate to avoid complete box classification