Found 16 matching results
(CN → US)
| HS Code | Product Description | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
|---|---|---|---|---|---|---|
| 7020006000 | Other articles of glass: Other | Doc | 60.0% | CN | US | 2025-05-12 |
| 7020003000 | Other articles of glass: Quartz reactor tubes and holders designed for insertion into diffusion and oxidation furnaces for production of semiconductor wafers | Doc | 55.0% | CN | US | 2025-05-12 |
| 7326908688 | Other articles of iron or steel: Other: Other: Other: Other | Doc | 82.9% | CN | US | 2025-05-12 |
| 7326908605 | Other articles of iron or steel: Other: Other: Other: Other Rods for electrical grounding (potentially if the baffle is rod-shaped and used in a water filtration system involving electrical components) | Doc | 82.9% | CN | US | 2025-05-12 |
| 7325995000 | Other cast articles of iron or steel: Other: Other: Other | Doc | 82.9% | CN | US | 2025-05-12 |
| 7325991000 | Other cast articles of iron or steel: Other: Other: Of cast iron | Doc | 80.0% | CN | US | 2025-05-12 |
| 7419800900 | Other articles of copper: Other: Cloth (including endless bands), grill and netting, of copper wire; expanded metal of copper: Other | Doc | 58.0% | CN | US | 2025-05-12 |
| 7419805050 | Other articles of copper: Other: Other: Other | Doc | 55.0% | CN | US | 2025-05-12 |
| 7418100004 | Table, kitchen or other household articles and parts thereof, of copper; pot scourers and scouring or polishing pads, gloves and the like, of copper; sanitary ware and parts thereof, of copper: Table, kitchen or other household articles and parts thereof; pot scourers and scouring or polishing pads, gloves and the like Pot scourers and scouring or polishing pads, gloves and the like: Other | Doc | 40.5% | CN | US | 2025-05-12 |
| 7418100025 | Table, kitchen or other household articles and parts thereof, of copper; pot scourers and scouring or polishing pads, gloves and the like, of copper; sanitary ware and parts thereof, of copper: Table, kitchen or other household articles and parts thereof; pot scourers and scouring or polishing pads, gloves and the like Other: Other: Of copper-zinc base alloys (brass): Other | Doc | 40.5% | CN | US | 2025-05-12 |
| 8421990140 | Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases; parts thereof: Parts: Other Parts of machinery and apparatus for filtering or purifying water | Doc | 55.0% | CN | US | 2025-05-12 |
| 8481100020 | Taps, cocks, valves and similar appliances, for pipes, boiler shells, tanks, vats or the like, including pressure-reducing valves and thermostatically controlled valves; parts thereof: Pressure-reducing valves Hydraulic fluid power type | Doc | 57.0% | CN | US | 2025-05-12 |
| 3926902100 | Other articles of plastics and articles of other materials of headings 3901 to 3914: Other: Ice bags; douche bags, enema bags, hot water bottles, and fittings therefor; invalid and similar nursing cushions; dress shields; pessaries; prophylactics; bulbs for syringes; syringes (other than hypodermic syringes) and fittings therefor, not in part of glass or metal | Doc | 41.7% | CN | US | 2025-05-12 |
| 3926909989 | Other articles of plastics and articles of other materials of headings 3901 to 3914: Other: Other | Doc | 42.8% | CN | US | 2025-05-12 |
| 3925900000 | Builders' ware of plastics, not elsewhere specified or included: Other | Doc | 60.3% | CN | US | 2025-05-12 |
| 3925100000 | Builders' ware of plastics, not elsewhere specified or included: Reservoirs, tanks, vats and similar containers, of a capacity exceeding 300 liters | Doc | 61.3% | CN | US | 2025-05-12 |
Water Filter Baffle
A water filter baffle is a component used within water filtration systems to control the flow of water, distribute it evenly, and enhance the efficiency of the filtration process. It is not a filter itself, but rather an integral part of the filter housing or tank.
Material
Baffles are commonly constructed from:
- Polypropylene (PP): A widely used plastic due to its chemical resistance, affordability, and durability.
- Polyethylene (PE): Another common plastic, offering good chemical resistance and flexibility.
- Stainless Steel: Used in higher-end systems or applications requiring greater strength and longevity.
- PVC: Less common due to potential leaching concerns in potable water applications, but still found in some industrial filters.
Purpose & Function
The primary functions of a water filter baffle include:
- Flow Distribution: Baffles redirect incoming water to ensure even distribution across the entire filter media bed. This prevents channeling, where water finds the path of least resistance, bypassing portions of the media.
- Sediment Control: They help to settle larger sediment particles before they reach the main filter media, extending the lifespan of the filter cartridges.
- Turbulence Reduction: By breaking up the water flow, baffles reduce turbulence, which can compact the filter media and reduce its effectiveness.
- Backwashing Aid: In backwashable filters, baffles assist in the even distribution of backwash water, ensuring thorough cleaning of the media.
- Media Support: Some baffles provide structural support for the filter media, preventing it from shifting or collapsing.
Usage Scenarios
Water filter baffles are found in a wide variety of applications:
- Whole-House Water Filters: Used in residential systems to protect plumbing and appliances.
- Well Water Filters: Essential for removing sediment, iron, and other contaminants from well water.
- Commercial & Industrial Filters: Employed in large-scale water treatment facilities, manufacturing processes, and irrigation systems.
- Aquariums & Ponds: Used to distribute water flow and promote even filtration.
- Swimming Pools & Spas: Help to distribute water across the filter media.
Common Types
- Perforated Baffles: Contain numerous holes to allow water flow while distributing it evenly. Hole size and pattern vary depending on the application.
- Slotted Baffles: Feature slots instead of holes, often used for larger particle removal.
- Cone-Shaped Baffles: Used to create a swirling motion, promoting sediment settling.
- Multi-Baffle Systems: Employ multiple baffles of different designs to achieve optimal flow distribution and sediment control.
- Custom-Designed Baffles: Tailored to specific filter housing dimensions and filtration requirements.
Based on the provided information, the following HS codes may be relevant to a “water filter baffle”:
- 7326908688: Other articles of iron or steel: Other: Other: Other: Other. This code covers various articles of iron or steel, and could potentially apply if the baffle is made of iron or steel. The total tax rate is 82.9%, comprised of a 2.9% basic tariff, a 25.0% additional tariff, and a 25% additional tariff on steel/aluminum products.
- 7326908605: Other articles of iron or steel: Other: Other: Other: Other Rods for electrical grounding (potentially if the baffle is rod-shaped and used in a water filtration system involving electrical components). This code specifically mentions rods for electrical grounding, which might be applicable if the baffle functions as such within the water filtration system. The total tax rate is 82.9%, comprised of a 2.9% basic tariff, a 25.0% additional tariff, and a 25% additional tariff on steel/aluminum products.
- 8421990140: Parts: Other Parts of machinery and apparatus for filtering or purifying water. This code is specifically for parts used in water filtering or purifying machinery and apparatus. The total tax rate is 55.0%, comprised of a 0.0% basic tariff, a 25.0% additional tariff, and a 30.0% additional tariff.
- 3926909989: Other: Other. This code covers other articles of plastics. If the baffle is made of plastic, this code may be applicable. The total tax rate is 42.8%, comprised of a 5.3% basic tariff, a 7.5% additional tariff, and a 30.0% additional tariff.
Regarding HS code 7326908688 and 7326908605, please note the 25% additional tariff applies to steel/aluminum products. Regarding HS code 8421990140, the item is classified as parts of machinery and apparatus for filtering or purifying water. Regarding HS code 3926909989, the item is classified as other articles of plastics.