3 M particle filter P3 6035, - made of a two-piece, approximately parallelepiped-shaped plastic housing with an internal, zigzag-folded filter material made of a micro-glass fiber fleece, a seal and a bayonet connection (see attachment), - for cleaning gases, for attachment by means of a bayonet catch to a gas and respiratory mask (not the subject of the information). "Apparatus for filtering or purifying gases other than air, not by catalytic process - so-called particulate filters"
auto translated : The text above has been translated automatically.
[1][1]. DEBTI1155/19-1#646837
The merchandise under consideration is an assembled Particle Filter Screen made up of three components. The components include a metal filter made of wire mesh, a rubber gasket, and a plastic support that are all cut and designed for an easy assembly. The country of origin of the gasket and the plastic support is the United States (US). The wire mesh has a United Kingdom origin. These items are shipped from the United States to Mexico for a simple assembly. In Mexico, the operator first inserts the wire mesh into the gasket, then snaps it into the support. The assembled Air Particle Filter is packaged for shipment to the US.
[1] Please importantly note that only the relevant portion of the related is displayed above. You may refer to the said customs ruling for the entire ruling explanation.
[1]. https://rulings.cbp.gov/ruling/N004031