Ion Exchange Water Softener System from Mexico
Residential water softener using cation exchange resin to remove hardness minerals (calcium, magnesium) from water, preventing scale buildup. Classified under HTS 8421.21.00.00 as water purifying apparatus.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify resin type (sodium vs. potassium) and exchange capacity in documentation
• Include brine tank and regeneration system details for complete system classification
• Test for NSF/ANSI 44 certification compliance