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+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

3917.40.00Higher: 40.3% vs 35%

If standard PVC pipe fittings

Plastic tubes/fittings without machinery function in Chapter 39.

8481.80.90Higher: 37% vs 35%

If manifolds with only flow control, no filtration

Process control valves separate from purification parts.

8421.99.01Same rate: 35%

If industrial process manifolds

General liquid handling parts use 'other' provisions.

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Import Tips & Compliance

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

Include flow distribution diagrams for parallel filter housing connections