For filtering or purifying water
Pulley tackle and hoists other than skip hoists; winches and capstans; jacks. > Filtering or purifying machinery and apparatus for liquids: > For filtering or purifying water > For filtering or purifying water
Duty Rate (from China)
Subheadings
Products classified under Tariff item 8421.21
Activated Carbon Water Filter Cartridge System
A multi-stage filtration unit using activated carbon cartridges to remove chlorine, odors, and organic compounds from municipal water supplies. It is dedicated to water purification, functioning as a filtering machinery for liquids, and falls under tariff item 8421.21.00 as it is specifically designed for filtering or purifying water.
8421.21.00Berkey Gravity Water Filtration System
A countertop gravity-fed stainless steel water purifier with Black Berkey elements that remove pathogens, heavy metals, and chemicals from any water source. It is a complete water purification system, operating without electricity, and is classified under tariff item 8421.21.00 as it is specifically designed for filtering or purifying water.
8421.21.00Ceramic Doulton Water Filter Candles System
A gravity-fed ceramic filter system with silver-impregnated Doulton candles that remove bacteria, cysts, and sediments from water without electricity. It is a complete water purification system, specifically designed for filtering water, and falls under tariff item 8421.21.00.
8421.21.00Commercial Reverse Osmosis Membrane Skid
A pre-assembled reverse osmosis skid with high-pressure pumps, membranes, and controls for producing purified water in bottling plants. It is industrial machinery specifically designed for water purification, and is classified under tariff item 8421.21.00 as it is for filtering or purifying water.
8421.21.00Commercial Ultraviolet Water Purifier
An industrial ultraviolet (UV) sterilizer that uses ultraviolet light to disinfect water by inactivating bacteria, viruses, and other pathogens without chemicals. It is specifically designed for water purification and falls under tariff item 8421.21.00 as it is for filtering or purifying water.
8421.21.00Distillation Water Purification Unit
A countertop water distiller that boils and condenses water to produce mineral-free distilled water for drinking or lab use. It is a thermal water purification process, and is classified under tariff item 8421.21.00 as it is specifically designed for purifying water.
8421.21.00Electrodeionization Water Purification Module
An electrodeionization (EDI) module using electrical current and ion-exchange membranes to continuously deionize water for high-purity applications like pharmaceuticals. It is advanced water purification machinery, and falls under tariff item 8421.21.00 as it is for filtering or purifying water.
8421.21.00Hydrogen-Rich Water Generator
An electrolysis-based countertop device producing hydrogen-infused alkaline water claimed for antioxidant benefits. While it alters water properties, it functions as a water purification apparatus by filtering and conditioning water, and falls under tariff item 8421.21.00 as it is for filtering or purifying water.
8421.21.00Industrial Microfiltration Water Purifier
A membrane-based microfiltration system that removes suspended solids, microorganisms, and particulates from process water in manufacturing facilities. It is industrial machinery specifically designed for water purification, and is classified under tariff item 8421.21.00 as it is for filtering or purifying water.
8421.21.00Ion Exchange Water Softener System
A residential water softener using cation exchange resin to remove hardness minerals (calcium, magnesium) from water, preventing scale buildup. It is a water purification apparatus, as it filters and conditions water, and falls under tariff item 8421.21.00.
8421.21.00Nanofiltration Water Treatment System
A nanofiltration membrane system that removes divalent ions, organics, and color while retaining beneficial minerals from water. It is specialized water purification machinery, and is classified under tariff item 8421.21.00 as it is for filtering or purifying water.
8421.21.00Pool and Spa Ozone Water Purifier
An ozone injection system that generates O3 gas to oxidize contaminants in swimming pool water, reducing chlorine needs. It is a water purification apparatus, as it treats and purifies water, and falls under tariff item 8421.21.00 despite its recreational application.
8421.21.00Portable Backpacking Water Purifier Straw
A personal hollow fiber membrane straw purifier that filters up to 1,000 liters of water from streams, removing 99.9999% bacteria and protozoa. It is a portable water purification device, and is classified under tariff item 8421.21.00 as it is for filtering or purifying water.
8421.21.00Reverse Osmosis Water Purification System
A residential reverse osmosis system that uses a semi-permeable membrane to filter and purify water by removing dissolved solids, bacteria, and contaminants. It is machinery specifically designed for water purification, and falls under tariff item 8421.21.00.
8421.21.00Whole House Sediment Water Filter
A large-capacity spin-down sediment filter for residential whole-house systems that removes sand, rust, and debris from well or municipal water. It is a water purification apparatus, as it filters water, and falls under tariff item 8421.21.00.