HTS heading 9020
Other breathing appliances and gas masks, excluding protective masks having neither mechanical parts nor replaceable filters; parts and accessories thereof — 4 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 9020.00 | Other breathing appliances and gas masks, excluding protective masks having neither mechanical parts nor replaceable filters; parts and accessories thereof + Ch. 99 | not stated | — |
| 9020.00.40.00 | Underwater breathing devices designed as a complete unit to be carried on the person and not requiring attendants + Ch. 99 | Free | No. |
| 9020.00.60.00 | Other breathing appliances and gas masks + Ch. 99 | 2.5% | No. |
| 9020.00.90.00 | Other + Ch. 99 | 2.5% | kg |
Additional duties may apply
4 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.
Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.