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9022.90.70.00/Ionization Chamber Airflow Window Assembly/Canada

Ionization Chamber Airflow Window Assembly from Canada

Insect-screened airflow aperture for ionization smoke detector sensing chambers. Specific HTS 9022.90.70.00 part enabling smoke particle entry to radiation field. 10-micron filtration prevents false alarms.

Duty Rate — Canada → United States

11%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Test airflow resistance per UL 268 Method 2

• Specify 'smoke sensing exclusive' design function

• Include humidity exposure test results (85% RH)

Ionization Chamber Airflow Window Assembly from Canada — Import Duty Rate | HTS 9022.90.70.00