cartridge filter comprised of an 85% paper and 15% polyester filter material combined with galvanized metal screens and caps, sponge gaskets, polyester woven bands, self-adhering plastisol potting compound, thermobond hot melt adhesive, and a cyanoacrylate adhesive. The filter cartridge is a cylindrical shape and held together by the metal end caps and metal mesh reinforcement. The filter has a corrugation depth of .016 inches and a maximum temperature rating of 180 degrees Fahrenheit. The filter cartridge is designed for industrial air filtration and dust collection purposes.
[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/N322517