New

Ask Wove anything about tariffs.

Try Tariff Assistant

Whole House Filter Manifold

Multi-port PVC manifold distributing pressurized water through parallel filter housings in whole-house systems. HTS 8421.99.0140 for water filtration machinery.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+37.5%37.5%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+60.0%60%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3917.40.00Higher: 42.8% vs 37.5%

If standard PVC pipe fittings

Plastic tubes/fittings without machinery function in Chapter 39.

8481.80.90Higher: 39.5% vs 37.5%

If manifolds with only flow control, no filtration

Process control valves separate from purification parts.

8421.99.01Same rate: 37.5%

If industrial process manifolds

General liquid handling parts use 'other' provisions.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Specify port sizes (1" NPT typical), pressure ratings and bypass valve integration

• Include flow distribution diagrams for parallel filter housing connections