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ABS Stack Vent Reducer Fitting from China

A reducer bushing of ABS for transitioning pipe sizes in DWV vent stacks, ensuring proper airflow in plumbing. Gravity-only use places it in HTS 3917.40.00.30 for ABS DWV fittings.

Duty Rate — China → United States

42.8%

Rate breakdown

9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Provide CAD drawings showing DWV-specific design to confirm subheading

Avoid generic 'plastic fitting' labels; specify ABS and DWV explicitly

Check for attached fittings; loose ones without fittings lose 'Free (C)' rate per notes

ABS Stack Vent Reducer Fitting from China — Import Duty Rate | HTS 3917.40.00.30