HTS heading 8421
764 exclusion requests, from 156 distinct filers, across the 2018–20 tranches.
764
requests filed
254
granted
33.2% (95% CI 30–36.7%, n=764)
grant rate, all filers
Cross-tranche — see caution below
44.2% (95% CI 40–48.5%, n=520)
excluding mass filers
520 requests
By tranche
| Tranche | Requests | Granted | Denied | Grant rate |
|---|---|---|---|---|
| List 1 | 555 | 252 | 303 | 45.4% (95% CI 41.3–49.6%, n=555) |
| List 3 | 209 | 2 | 207 | 1% (95% CI 0.3–3.4%, n=209) |
The cross-tranche rate above blends processes. Where this heading appears in more than one tranche, use the per-tranche rows. Where a rate reads “n too small”, fewer than 20 requests were decided and no rate is published for it.
Products filed under this heading
Product titles as they appear on the public docket, unedited. These are examples, not a complete list, and their presence here says nothing about their outcome.
- protein skimmers with pump for saltwater aquariums
- swimming pool filter cartridge
- water purifier
- water pitcher
- water filtering or purifying machinery and apparatus
- residential air purifier product
- air purifier
- cabin air filter