Carbon Block Filter End Caps from Mexico
Precision-machined plastic caps sealing carbon block cartridges in water filtration housings. Essential retention components for water purification, HTS 8421.99.0140.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify thread patterns (e.g
• 9-3/4" standard) and O-ring gland dimensions
• Include filter scoring data showing carbon block retention function